diff --git a/lib/ash/changeset/changeset.ex b/lib/ash/changeset/changeset.ex
index 5db5d6d2b..2730c61f8 100644
--- a/lib/ash/changeset/changeset.ex
+++ b/lib/ash/changeset/changeset.ex
@@ -388,6 +388,7 @@ defmodule Ash.Changeset do
 
   require Ash.Tracer
   import Ash.Expr
+  import Ash.Gettext
   require Logger
 
   defmodule OriginalDataNotAvailable do
@@ -3491,7 +3492,7 @@ defmodule Ash.Changeset do
         changeset,
         InvalidAttribute.exception(
           field: key,
-          message: "cannot be changed",
+          message: error_message("cannot be changed"),
           value: changeset.attributes[key]
         )
       )
@@ -5927,7 +5928,7 @@ defmodule Ash.Changeset do
         error =
           InvalidRelationship.exception(
             relationship: relationship.name,
-            message: "relationship is not editable"
+            message: error_message("relationship is not editable")
           )
 
         add_error(changeset, error)
@@ -5936,7 +5937,7 @@ defmodule Ash.Changeset do
         error =
           InvalidRelationship.exception(
             relationship: relationship.name,
-            message: "cannot manage a manual relationship"
+            message: error_message("cannot manage a manual relationship")
           )
 
         add_error(changeset, error)
@@ -6026,7 +6027,7 @@ defmodule Ash.Changeset do
               changeset,
               InvalidRelationship.exception(
                 relationship: relationship.name,
-                message: "cannot provide structs that don't match the destination"
+                message: error_message("cannot provide structs that don't match the destination")
               )
             )
           else
diff --git a/lib/ash/resource/change/cascade_destroy.ex b/lib/ash/resource/change/cascade_destroy.ex
index 15978e255..2f8cb5464 100644
--- a/lib/ash/resource/change/cascade_destroy.ex
+++ b/lib/ash/resource/change/cascade_destroy.ex
@@ -95,6 +95,7 @@ defmodule Ash.Resource.Change.CascadeDestroy do
 
   """
   use Ash.Resource.Change
+  import Ash.Gettext
   require Ash.Query
 
   @doc false
@@ -245,7 +246,7 @@ defmodule Ash.Resource.Change.CascadeDestroy do
         {:error,
          Ash.Error.Changes.InvalidRelationship.exception(
            relationship: opts.relationship,
-           message: "Relationship doesn't exist."
+           message: error_message("Relationship doesn't exist.")
          )}
 
       relationship ->
diff --git a/lib/ash/resource/change/cascade_update.ex b/lib/ash/resource/change/cascade_update.ex
index 3c580505d..87ad4231b 100644
--- a/lib/ash/resource/change/cascade_update.ex
+++ b/lib/ash/resource/change/cascade_update.ex
@@ -88,6 +88,7 @@ defmodule Ash.Resource.Change.CascadeUpdate do
 
   """
   use Ash.Resource.Change
+  import Ash.Gettext
   require Ash.Query
 
   @doc false
@@ -177,7 +178,7 @@ defmodule Ash.Resource.Change.CascadeUpdate do
         {:error,
          Ash.Error.Changes.InvalidRelationship.exception(
            relationship: opts.relationship,
-           message: "Relationship doesn't exist."
+           message: error_message("Relationship doesn't exist.")
          )}
 
       {_, false} ->
diff --git a/lib/ash/resource/change/relate_actor.ex b/lib/ash/resource/change/relate_actor.ex
index e5861314d..49b1de8d0 100644
--- a/lib/ash/resource/change/relate_actor.ex
+++ b/lib/ash/resource/change/relate_actor.ex
@@ -5,6 +5,7 @@
 defmodule Ash.Resource.Change.RelateActor do
   @moduledoc false
   use Ash.Resource.Change
+  import Ash.Gettext
   alias Ash.Changeset
   alias Ash.Error.Changes.InvalidRelationship
 
@@ -61,7 +62,10 @@ defmodule Ash.Resource.Change.RelateActor do
           changeset,
           InvalidRelationship.exception(
             relationship: relationship.name,
-            message: "could not relate to actor, as no actor was found (and :allow_nil? is false)"
+            message:
+              error_message(
+                "could not relate to actor, as no actor was found (and :allow_nil? is false)"
+              )
           )
         )
 
diff --git a/lib/ash/type/atom.ex b/lib/ash/type/atom.ex
index 2edf6bda4..28082b47b 100644
--- a/lib/ash/type/atom.ex
+++ b/lib/ash/type/atom.ex
@@ -25,6 +25,7 @@ defmodule Ash.Type.Atom do
   #{Spark.Options.docs(@constraints)}
   """
   use Ash.Type
+  import Ash.Gettext
 
   @impl true
   def storage_type(_), do: :string
@@ -55,7 +56,7 @@ defmodule Ash.Type.Atom do
           else
             [
               [
-                message: "atom must be one of %{atom_list}, got: %{value}",
+                message: error_message("atom must be one of %{atom_list}, got: %{value}"),
                 atom_list: Enum.join(atom_list, ", "),
                 value: value
               ]
diff --git a/lib/ash/type/ci_string.ex b/lib/ash/type/ci_string.ex
index b649da9f8..ce12f31fc 100644
--- a/lib/ash/type/ci_string.ex
+++ b/lib/ash/type/ci_string.ex
@@ -53,6 +53,7 @@ defmodule Ash.Type.CiString do
   #{Spark.Options.docs(@constraints)}
   """
   use Ash.Type
+  import Ash.Gettext
 
   @impl true
   def storage_type(_), do: :ci_string
@@ -172,7 +173,13 @@ defmodule Ash.Type.CiString do
     Enum.reduce(constraints, [], fn
       {:max_length, max_length}, errors ->
         if String.length(value) > max_length do
-          [[message: "length must be less than or equal to %{max}", max: max_length] | errors]
+          [
+            [
+              message: error_message("length must be less than or equal to %{max}"),
+              max: max_length
+            ]
+            | errors
+          ]
         else
           errors
         end
@@ -180,7 +187,10 @@ defmodule Ash.Type.CiString do
       {:min_length, min_length}, errors ->
         if String.length(value) < min_length do
           [
-            [message: "length must be greater than or equal to %{min}", min: min_length]
+            [
+              message: error_message("length must be greater than or equal to %{min}"),
+              min: min_length
+            ]
             | errors
           ]
         else
@@ -200,7 +210,10 @@ defmodule Ash.Type.CiString do
         if String.match?(value, regex) do
           errors
         else
-          [[message: "must match the pattern %{regex}", regex: inspect(regex)] | errors]
+          [
+            [message: error_message("must match the pattern %{regex}"), regex: inspect(regex)]
+            | errors
+          ]
         end
 
       _, errors ->
diff --git a/lib/ash/type/decimal.ex b/lib/ash/type/decimal.ex
index f19e5d191..a52d15ae2 100644
--- a/lib/ash/type/decimal.ex
+++ b/lib/ash/type/decimal.ex
@@ -33,6 +33,7 @@ defmodule Ash.Type.Decimal do
   ]
 
   import Ash.Expr
+  import Ash.Gettext
 
   @moduledoc """
   Represents a decimal.
@@ -131,7 +132,7 @@ defmodule Ash.Type.Decimal do
               if ^expr > ^max do
                 error(
                   Ash.Error.Changes.InvalidChanges,
-                  message: "must be less than or equal to %{max}",
+                  message: ^error_message("must be less than or equal to %{max}"),
                   vars: %{max: ^max}
                 )
               else
@@ -144,7 +145,7 @@ defmodule Ash.Type.Decimal do
               if ^expr < ^min do
                 error(
                   Ash.Error.Changes.InvalidChanges,
-                  message: "must be greater than or equal to %{min}",
+                  message: ^error_message("must be greater than or equal to %{min}"),
                   vars: %{min: ^min}
                 )
               else
@@ -159,7 +160,7 @@ defmodule Ash.Type.Decimal do
               else
                 error(
                   Ash.Error.Changes.InvalidChanges,
-                  message: "must be less than %{less_than}",
+                  message: ^error_message("must be less than %{less_than}"),
                   vars: %{less_than: ^less_than}
                 )
               end
@@ -172,7 +173,7 @@ defmodule Ash.Type.Decimal do
               else
                 error(
                   Ash.Error.Changes.InvalidChanges,
-                  message: "must be greater than %{greater_than}",
+                  message: ^error_message("must be greater than %{greater_than}"),
                   vars: %{greater_than: ^greater_than}
                 )
               end
@@ -198,7 +199,7 @@ defmodule Ash.Type.Decimal do
           if count_significant_digits(value) > precision do
             [
               [
-                message: "must have no more than %{precision} significant digits",
+                message: error_message("must have no more than %{precision} significant digits"),
                 precision: precision
               ]
               | errors
@@ -214,7 +215,7 @@ defmodule Ash.Type.Decimal do
           if Decimal.scale(value) > scale do
             [
               [
-                message: "must have no more than %{scale} decimal places",
+                message: error_message("must have no more than %{scale} decimal places"),
                 scale: scale
               ]
               | errors
@@ -225,14 +226,17 @@ defmodule Ash.Type.Decimal do
 
         {:max, max}, errors ->
           if Decimal.compare(value, max) == :gt do
-            [[message: "must be less than or equal to %{max}", max: max] | errors]
+            [[message: error_message("must be less than or equal to %{max}"), max: max] | errors]
           else
             errors
           end
 
         {:min, min}, errors ->
           if Decimal.compare(value, min) == :lt do
-            [[message: "must be more than or equal to %{min}", min: min] | errors]
+            [
+              [message: error_message("must be greater than or equal to %{min}"), min: min]
+              | errors
+            ]
           else
             errors
           end
@@ -241,14 +245,23 @@ defmodule Ash.Type.Decimal do
           if Decimal.compare(value, less_than) == :lt do
             errors
           else
-            [[message: "must be less than %{less_than}", less_than: less_than] | errors]
+            [
+              [message: error_message("must be less than %{less_than}"), less_than: less_than]
+              | errors
+            ]
           end
 
         {:greater_than, greater_than}, errors ->
           if Decimal.compare(value, greater_than) == :gt do
             errors
           else
-            [[message: "must be more than %{greater_than}", greater_than: greater_than] | errors]
+            [
+              [
+                message: error_message("must be greater than %{greater_than}"),
+                greater_than: greater_than
+              ]
+              | errors
+            ]
           end
       end)
 
diff --git a/lib/ash/type/enum.ex b/lib/ash/type/enum.ex
index 6ea3c830d..517bad2ac 100644
--- a/lib/ash/type/enum.ex
+++ b/lib/ash/type/enum.ex
@@ -157,6 +157,7 @@ defmodule Ash.Type.Enum do
   defmacro __using__(opts) do
     quote location: :keep, generated: true, bind_quoted: [opts: opts] do
       use Ash.Type
+      import Ash.Gettext
 
       require Ash.Expr
 
@@ -277,7 +278,7 @@ defmodule Ash.Type.Enum do
               Ash.Expr.expr(
                 error(
                   Ash.Error.Changes.InvalidChanges,
-                  message: "must be one of %{values}",
+                  message: ^error_message("must be one of %{values}"),
                   vars: %{values: ^Enum.join(@values, ", ")}
                 )
               )
@@ -302,7 +303,7 @@ defmodule Ash.Type.Enum do
                else
                  error(
                    Ash.Error.Changes.InvalidChanges,
-                   message: "must be one of %{values}",
+                   message: ^error_message("must be one of %{values}"),
                    vars: %{values: ^Enum.join(@values, ", ")}
                  )
                end
diff --git a/lib/ash/type/float.ex b/lib/ash/type/float.ex
index d00699ebf..cbf87d723 100644
--- a/lib/ash/type/float.ex
+++ b/lib/ash/type/float.ex
@@ -23,6 +23,7 @@ defmodule Ash.Type.Float do
   ]
 
   import Ash.Expr
+  import Ash.Gettext
 
   @moduledoc """
   Represents a float (floating point number)
@@ -77,14 +78,17 @@ defmodule Ash.Type.Float do
       Enum.reduce(constraints, [], fn
         {:max, max}, errors ->
           if value > max do
-            [[message: "must be less than or equal to %{max}", max: max] | errors]
+            [[message: error_message("must be less than or equal to %{max}"), max: max] | errors]
           else
             errors
           end
 
         {:min, min}, errors ->
           if value < min do
-            [[message: "must be more than or equal to %{min}", min: min] | errors]
+            [
+              [message: error_message("must be greater than or equal to %{min}"), min: min]
+              | errors
+            ]
           else
             errors
           end
@@ -93,14 +97,23 @@ defmodule Ash.Type.Float do
           if value < less_than do
             errors
           else
-            [[message: "must be less than %{less_than}", less_than: less_than] | errors]
+            [
+              [message: error_message("must be less than %{less_than}"), less_than: less_than]
+              | errors
+            ]
           end
 
         {:greater_than, greater_than}, errors ->
           if value > greater_than do
             errors
           else
-            [[message: "must be more than %{greater_than}", greater_than: greater_than] | errors]
+            [
+              [
+                message: error_message("must be greater than %{greater_than}"),
+                greater_than: greater_than
+              ]
+              | errors
+            ]
           end
       end)
 
@@ -137,7 +150,7 @@ defmodule Ash.Type.Float do
             if ^expr > ^max do
               error(
                 Ash.Error.Changes.InvalidChanges,
-                message: "must be less than or equal to %{max}",
+                message: ^error_message("must be less than or equal to %{max}"),
                 vars: %{max: ^max}
               )
             else
@@ -150,7 +163,7 @@ defmodule Ash.Type.Float do
             if ^expr < ^min do
               error(
                 Ash.Error.Changes.InvalidChanges,
-                message: "must be greater than or equal to %{min}",
+                message: ^error_message("must be greater than or equal to %{min}"),
                 vars: %{min: ^min}
               )
             else
@@ -165,7 +178,7 @@ defmodule Ash.Type.Float do
             else
               error(
                 Ash.Error.Changes.InvalidChanges,
-                message: "must be greater than %{less_than}",
+                message: ^error_message("must be less than %{less_than}"),
                 vars: %{less_than: ^less_than}
               )
             end
@@ -178,7 +191,7 @@ defmodule Ash.Type.Float do
             else
               error(
                 Ash.Error.Changes.InvalidChanges,
-                message: "must be greater than %{greater_than}",
+                message: ^error_message("must be greater than %{greater_than}"),
                 vars: %{greater_than: ^greater_than}
               )
             end
diff --git a/lib/ash/type/function.ex b/lib/ash/type/function.ex
index e89513ecd..521b81d18 100644
--- a/lib/ash/type/function.ex
+++ b/lib/ash/type/function.ex
@@ -24,6 +24,7 @@ defmodule Ash.Type.Function do
   """
 
   use Ash.Type
+  import Ash.Gettext
 
   @impl true
   def storage_type(_), do: :binary
@@ -34,7 +35,8 @@ defmodule Ash.Type.Function do
   @impl true
   def apply_constraints(term, constraints) do
     if constraints[:arity] && not is_function(term, constraints[:arity]) do
-      {:error, message: "Expected a function of arity %{arity}", arity: constraints[:arity]}
+      {:error,
+       message: error_message("Expected a function of arity %{arity}"), arity: constraints[:arity]}
     else
       {:ok, term}
     end
diff --git a/lib/ash/type/integer.ex b/lib/ash/type/integer.ex
index 815d02077..96a9c0544 100644
--- a/lib/ash/type/integer.ex
+++ b/lib/ash/type/integer.ex
@@ -23,6 +23,7 @@ defmodule Ash.Type.Integer do
   #{Spark.Options.docs(@constraints)}
   """
   use Ash.Type
+  import Ash.Gettext
 
   require Ash.Expr
 
@@ -48,7 +49,7 @@ defmodule Ash.Type.Integer do
             if ^expr > ^max do
               error(
                 Ash.Error.Changes.InvalidChanges,
-                message: "must be less than or equal to %{max}",
+                message: ^error_message("must be less than or equal to %{max}"),
                 vars: %{max: ^max}
               )
             else
@@ -61,7 +62,7 @@ defmodule Ash.Type.Integer do
             if ^expr < ^min do
               error(
                 Ash.Error.Changes.InvalidChanges,
-                message: "must be greater than or equal to %{min}",
+                message: ^error_message("must be greater than or equal to %{min}"),
                 vars: %{min: ^min}
               )
             else
@@ -75,14 +76,14 @@ defmodule Ash.Type.Integer do
               ^expr < ^min ->
                 error(
                   Ash.Error.Changes.InvalidChanges,
-                  message: "must be greater than or equal to %{min}",
+                  message: ^error_message("must be greater than or equal to %{min}"),
                   vars: %{min: ^min}
                 )
 
               ^expr > ^max ->
                 error(
                   Ash.Error.Changes.InvalidChanges,
-                  message: "must be less than or equal to %{max}",
+                  message: ^error_message("must be less than or equal to %{max}"),
                   vars: %{max: ^max}
                 )
 
@@ -120,14 +121,17 @@ defmodule Ash.Type.Integer do
       Enum.reduce(constraints, [], fn
         {:max, max}, errors ->
           if value > max do
-            [[message: "must be less than or equal to %{max}", max: max] | errors]
+            [[message: error_message("must be less than or equal to %{max}"), max: max] | errors]
           else
             errors
           end
 
         {:min, min}, errors ->
           if value < min do
-            [[message: "must be more than or equal to %{min}", min: min] | errors]
+            [
+              [message: error_message("must be greater than or equal to %{min}"), min: min]
+              | errors
+            ]
           else
             errors
           end
diff --git a/lib/ash/type/keyword.ex b/lib/ash/type/keyword.ex
index 201772208..0f704e51f 100644
--- a/lib/ash/type/keyword.ex
+++ b/lib/ash/type/keyword.ex
@@ -67,6 +67,7 @@ defmodule Ash.Type.Keyword do
   #{Spark.Options.docs(@constraints)}
   """
   use Ash.Type
+  import Ash.Gettext
 
   @impl true
   def constraints, do: @constraints
@@ -204,7 +205,7 @@ defmodule Ash.Type.Keyword do
 
           :error ->
             if field_constraints[:allow_nil?] == false do
-              field_error = [message: "field must be present", field: field]
+              field_error = [message: error_message("field must be present"), field: field]
               {errors_acc ++ [field_error], result_acc}
             else
               {errors_acc, result_acc}
@@ -232,7 +233,7 @@ defmodule Ash.Type.Keyword do
              ) do
           {:ok, nil} ->
             if field_constraints[:allow_nil?] == false do
-              {:error, [[message: "value must not be nil", field: field]]}
+              {:error, [[message: error_message("value must not be nil"), field: field]]}
             else
               {:ok, [{field, nil} | result]}
             end
@@ -252,7 +253,7 @@ defmodule Ash.Type.Keyword do
         {:error, [error]}
 
       :error ->
-        {:error, [[message: "invalid value", field: field]]}
+        {:error, [[message: error_message("invalid value"), field: field]]}
     end
   end
 
diff --git a/lib/ash/type/map.ex b/lib/ash/type/map.ex
index 5b36e5665..a1e8dfe20 100644
--- a/lib/ash/type/map.ex
+++ b/lib/ash/type/map.ex
@@ -80,6 +80,7 @@ defmodule Ash.Type.Map do
   #{Spark.Options.docs(@constraints)}
   """
   use Ash.Type
+  import Ash.Gettext
 
   @impl true
   def constraints, do: @constraints
@@ -256,7 +257,7 @@ defmodule Ash.Type.Map do
 
           :error ->
             if field_constraints[:allow_nil?] == false do
-              field_error = [message: "field must be present", field: field]
+              field_error = [message: error_message("field must be present"), field: field]
               {errors_acc ++ [field_error], result_acc}
             else
               {errors_acc, result_acc}
@@ -284,7 +285,7 @@ defmodule Ash.Type.Map do
              ) do
           {:ok, nil} ->
             if field_constraints[:allow_nil?] == false do
-              {:error, [[message: "value must not be nil", field: field]]}
+              {:error, [[message: error_message("value must not be nil"), field: field]]}
             else
               {:ok, Map.put(result, field, nil)}
             end
@@ -304,7 +305,7 @@ defmodule Ash.Type.Map do
         {:error, [error]}
 
       :error ->
-        {:error, [[message: "invalid value", field: field]]}
+        {:error, [[message: error_message("invalid value"), field: field]]}
     end
   end
 
diff --git a/lib/ash/type/module.ex b/lib/ash/type/module.ex
index 641e83793..c1d53fb3e 100644
--- a/lib/ash/type/module.ex
+++ b/lib/ash/type/module.ex
@@ -24,6 +24,7 @@ defmodule Ash.Type.Module do
   #{Spark.Options.docs(@constraints)}
   """
   use Ash.Type
+  import Ash.Gettext
 
   @impl true
   def storage_type(_), do: :string
@@ -61,7 +62,8 @@ defmodule Ash.Type.Module do
     else
       Enum.concat(errors, [
         [
-          message: "module %{module} does not implement the %{behaviour} behaviour",
+          message:
+            error_message("module %{module} does not implement the %{behaviour} behaviour"),
           module: module,
           behaviour: behaviour
         ]
@@ -80,7 +82,7 @@ defmodule Ash.Type.Module do
     ArgumentError ->
       Enum.concat(errors, [
         [
-          message: "module %{module} does not implement the %{protocol} protocol",
+          message: error_message("module %{module} does not implement the %{protocol} protocol"),
           module: module,
           protocol: protocol
         ]
diff --git a/lib/ash/type/new_type.ex b/lib/ash/type/new_type.ex
index 70e374c3f..059f90798 100644
--- a/lib/ash/type/new_type.ex
+++ b/lib/ash/type/new_type.ex
@@ -139,6 +139,7 @@ defmodule Ash.Type.NewType do
       end
 
       use Ash.Type
+      import Ash.Gettext
 
       @behaviour Ash.Type.NewType
 
@@ -222,7 +223,9 @@ defmodule Ash.Type.NewType do
         |> Enum.reduce_while({:ok, []}, fn {item, index}, {:ok, casted} ->
           case cast_input(item, constraints) do
             :error ->
-              {:halt, {:error, message: "invalid value at %{index}", index: index, path: [index]}}
+              {:halt,
+               {:error,
+                message: error_message("invalid value at %{index}"), index: index, path: [index]}}
 
             {:error, keyword} ->
               errors =
diff --git a/lib/ash/type/string.ex b/lib/ash/type/string.ex
index 385c6db6e..ce65b9712 100644
--- a/lib/ash/type/string.ex
+++ b/lib/ash/type/string.ex
@@ -41,6 +41,7 @@ defmodule Ash.Type.String do
   #{Spark.Options.docs(@constraints)}
   """
   use Ash.Type
+  import Ash.Gettext
 
   require Ash.Expr
 
@@ -102,7 +103,7 @@ defmodule Ash.Type.String do
               if string_length(^expr) > ^max do
                 error(
                   Ash.Error.Changes.InvalidChanges,
-                  message: "length must be less than or equal to %{max}",
+                  message: ^error_message("length must be less than or equal to %{max}"),
                   vars: %{max: max}
                 )
               else
@@ -115,7 +116,7 @@ defmodule Ash.Type.String do
               if string_length(^expr) < ^min do
                 error(
                   Ash.Error.Changes.InvalidChanges,
-                  message: "length must be greater than or equal to %{min}",
+                  message: ^error_message("length must be greater than or equal to %{min}"),
                   vars: %{min: min}
                 )
               else
@@ -129,14 +130,14 @@ defmodule Ash.Type.String do
                 string_length(^expr) < ^min ->
                   error(
                     Ash.Error.Changes.InvalidChanges,
-                    message: "length must be greater than or equal to %{min}",
+                    message: ^error_message("length must be greater than or equal to %{min}"),
                     vars: %{min: min}
                   )
 
                 string_length(^expr) > ^max ->
                   error(
                     Ash.Error.Changes.InvalidChanges,
-                    message: "length must be less than or equal to %{max}",
+                    message: ^error_message("length must be less than or equal to %{max}"),
                     vars: %{max: max}
                   )
 
@@ -228,7 +229,13 @@ defmodule Ash.Type.String do
     Enum.reduce(constraints, [], fn
       {:max_length, max_length}, errors ->
         if String.length(value) > max_length do
-          [[message: "length must be less than or equal to %{max}", max: max_length] | errors]
+          [
+            [
+              message: error_message("length must be less than or equal to %{max}"),
+              max: max_length
+            ]
+            | errors
+          ]
         else
           errors
         end
@@ -236,7 +243,10 @@ defmodule Ash.Type.String do
       {:min_length, min_length}, errors ->
         if String.length(value) < min_length do
           [
-            [message: "length must be greater than or equal to %{min}", min: min_length]
+            [
+              message: error_message("length must be greater than or equal to %{min}"),
+              min: min_length
+            ]
             | errors
           ]
         else
@@ -256,7 +266,10 @@ defmodule Ash.Type.String do
         if Regex.match?(regex, value) do
           errors
         else
-          [[message: "must match the pattern %{regex}", regex: inspect(regex)] | errors]
+          [
+            [message: error_message("must match the pattern %{regex}"), regex: inspect(regex)]
+            | errors
+          ]
         end
 
       _, errors ->
diff --git a/lib/ash/type/struct.ex b/lib/ash/type/struct.ex
index 14707d0ad..be3eb2f63 100644
--- a/lib/ash/type/struct.ex
+++ b/lib/ash/type/struct.ex
@@ -108,6 +108,7 @@ defmodule Ash.Type.Struct do
   """
 
   use Ash.Type
+  import Ash.Gettext
 
   @impl true
   def constraints, do: @constraints
@@ -384,7 +385,8 @@ defmodule Ash.Type.Struct do
                        {:ok, casted} <-
                          Ash.Type.apply_constraints(attribute.type, casted, attribute.constraints) do
                     if is_nil(casted) and attribute.allow_nil? == false do
-                      {:halt, {:error, field: attribute.name, message: "is required"}}
+                      {:halt,
+                       {:error, field: attribute.name, message: error_message("is required")}}
                     else
                       {:cont, {:ok, Map.put(record, attribute.name, casted)}}
                     end
@@ -398,7 +400,8 @@ defmodule Ash.Type.Struct do
 
                 :error ->
                   if attribute.allow_nil? == false do
-                    {:halt, {:error, field: attribute.name, message: "is required"}}
+                    {:halt,
+                     {:error, field: attribute.name, message: error_message("is required")}}
                   else
                     {:cont, {:ok, record}}
                   end
@@ -433,7 +436,7 @@ defmodule Ash.Type.Struct do
 
           :error ->
             if field_constraints[:allow_nil?] == false do
-              field_error = [message: "field must be present", field: field]
+              field_error = [message: error_message("field must be present"), field: field]
               {errors_acc ++ [field_error], result_acc}
             else
               {errors_acc, result_acc}
@@ -461,7 +464,7 @@ defmodule Ash.Type.Struct do
              ) do
           {:ok, nil} ->
             if field_constraints[:allow_nil?] == false do
-              {:error, [[message: "value must not be nil", field: field]]}
+              {:error, [[message: error_message("value must not be nil"), field: field]]}
             else
               {:ok, Map.put(result, field, nil)}
             end
@@ -502,7 +505,7 @@ defmodule Ash.Type.Struct do
         {:error, error}
 
       :error ->
-        {:error, [[message: "invalid value", field: field]]}
+        {:error, [[message: error_message("invalid value"), field: field]]}
     end
   end
 
diff --git a/lib/ash/type/tuple.ex b/lib/ash/type/tuple.ex
index de985275c..a744b7c29 100644
--- a/lib/ash/type/tuple.ex
+++ b/lib/ash/type/tuple.ex
@@ -68,6 +68,7 @@ defmodule Ash.Type.Tuple do
   #{Spark.Options.docs(@constraints)}
   """
   use Ash.Type
+  import Ash.Gettext
 
   @impl true
   def constraints, do: @constraints
@@ -117,7 +118,7 @@ defmodule Ash.Type.Tuple do
       {:ok, value}
     else
       {:error,
-       message: "Expected %{expected_length} elements, got %{value_length}",
+       message: error_message("Expected %{expected_length} elements, got %{value_length}"),
        expected_length: field_length,
        value_length: value_length}
     end
@@ -231,7 +232,7 @@ defmodule Ash.Type.Tuple do
              ) do
           {:ok, nil} ->
             if field_constraints[:allow_nil?] == false do
-              {:error, [[message: "value must not be nil", field: field]]}
+              {:error, [[message: error_message("value must not be nil"), field: field]]}
             else
               {:ok, [nil | acc]}
             end
@@ -254,7 +255,7 @@ defmodule Ash.Type.Tuple do
         {:error, [error]}
 
       :error ->
-        {:error, [[message: "invalid value", field: field]]}
+        {:error, [[message: error_message("invalid value"), field: field]]}
     end
   end
 
diff --git a/lib/ash/type/type.ex b/lib/ash/type/type.ex
index 944b5d155..63cf7db2c 100644
--- a/lib/ash/type/type.ex
+++ b/lib/ash/type/type.ex
@@ -34,6 +34,7 @@ defmodule Ash.Type do
   ]
 
   alias Ash.Type.Registry
+  import Ash.Gettext
 
   @doc_array_constraints Keyword.put(@array_constraints, :items,
                            type: :any,
@@ -1240,7 +1241,7 @@ defmodule Ash.Type do
       if remove_nil_items? do
         {rest, errors}
       else
-        {[item | rest], [[message: "no nil values", index: index] | errors]}
+        {[item | rest], [[message: error_message("no nil values"), index: index] | errors]}
       end
     else
       {[item | rest], errors}
@@ -1261,14 +1262,14 @@ defmodule Ash.Type do
     |> Enum.reduce([], fn
       {:min_length, min_length}, errors ->
         if length < min_length do
-          [message: "must have %{min} or more items", min: min_length]
+          [message: error_message("must have %{min} or more items"), min: min_length]
         else
           errors
         end
 
       {:max_length, max_length}, errors ->
         if length > max_length do
-          [message: "must have %{max} or fewer items", max: max_length]
+          [message: error_message("must have %{max} or fewer items"), max: max_length]
         else
           errors
         end
@@ -1855,7 +1856,9 @@ defmodule Ash.Type do
         |> Enum.reduce_while({:ok, []}, fn {item, index}, {:ok, casted} ->
           case Ash.Type.cast_input(__MODULE__, item, single_constraints) do
             :error ->
-              {:halt, {:error, message: "invalid value at %{index}", index: index, path: [index]}}
+              {:halt,
+               {:error,
+                message: error_message("invalid value at %{index}"), index: index, path: [index]}}
 
             {:error, keyword} ->
               errors =
diff --git a/priv/gettext/ash.pot b/priv/gettext/ash.pot
index 654b62a65..e04e5ac19 100644
--- a/priv/gettext/ash.pot
+++ b/priv/gettext/ash.pot
@@ -13,178 +13,352 @@ msgstr ""
 "Content-Transfer-Encoding: 8bit\n"
 "Domain: ash\n"
 
-#: lib/ash/resource/validation/action_is.ex:65
+#: lib/ash/type/tuple.ex:121
+msgid "Expected %{expected_length} elements, got %{value_length}"
+msgstr ""
+
+
+#: lib/ash/type/function.ex:38
+msgid "Expected a function of arity %{arity}"
+msgstr ""
+
+
+#: lib/ash/resource/change/cascade_destroy.ex:249
+#: lib/ash/resource/change/cascade_update.ex:181
+msgid "Relationship doesn't exist."
+msgstr ""
+
+
+#: lib/ash/resource/validation/action_is.ex:66
 msgid "action must be one of %{action}"
 msgstr ""
 
 
-#: lib/ash/resource/validation/present.ex:184
-#: lib/ash/resource/validation/present.ex:224
+#: lib/ash/resource/validation/present.ex:185
+#: lib/ash/resource/validation/present.ex:225
 msgid "at least %{at_least} of %{keys} must be present"
 msgstr ""
 
 
-#: lib/ash/resource/validation/present.ex:197
-#: lib/ash/resource/validation/present.ex:227
+#: lib/ash/resource/validation/present.ex:198
+#: lib/ash/resource/validation/present.ex:228
 msgid "at most %{at_most} of %{keys} must be present"
 msgstr ""
 
 
-#: lib/ash/resource/validation/confirm.ex:97
-#: lib/ash/resource/validation/confirm.ex:105
+#: lib/ash/type/atom.ex:59
+msgid "atom must be one of %{atom_list}, got: %{value}"
+msgstr ""
+
+
+#: lib/ash/changeset/changeset.ex:3495
+msgid "cannot be changed"
+msgstr ""
+
+
+#: lib/ash/changeset/changeset.ex:5940
+msgid "cannot manage a manual relationship"
+msgstr ""
+
+
+#: lib/ash/changeset/changeset.ex:6030
+msgid "cannot provide structs that don't match the destination"
+msgstr ""
+
+
+#: lib/ash/resource/validation/confirm.ex:98
+#: lib/ash/resource/validation/confirm.ex:106
 msgid "confirmation did not match value"
 msgstr ""
 
 
-#: lib/ash/resource/validation/string_length.ex:71
+#: lib/ash/resource/validation/string_length.ex:72
 msgid "could not be parsed"
 msgstr ""
 
 
-#: lib/ash/resource/validation/present.ex:140
-#: lib/ash/resource/validation/present.ex:221
+#: lib/ash/resource/change/relate_actor.ex:65
+msgid "could not relate to actor, as no actor was found (and :allow_nil? is false)"
+msgstr ""
+
+
+#: lib/ash/resource/validation/present.ex:141
+#: lib/ash/resource/validation/present.ex:222
 msgid "exactly %{exactly} of %{keys} must be present"
 msgstr ""
 
 
-#: lib/ash/resource/validation/data_one_of.ex:84
-#: lib/ash/resource/validation/data_one_of.ex:94
-#: lib/ash/resource/validation/one_of.ex:101
-#: lib/ash/resource/validation/one_of.ex:112
+#: lib/ash/resource/validation/data_one_of.ex:85
+#: lib/ash/resource/validation/data_one_of.ex:95
+#: lib/ash/resource/validation/one_of.ex:102
+#: lib/ash/resource/validation/one_of.ex:113
 msgid "expected one of %{values}"
 msgstr ""
 
 
-#: lib/ash/resource/validation/action_is.ex:70
+#: lib/ash/type/keyword.ex:208
+#: lib/ash/type/map.ex:260
+#: lib/ash/type/struct.ex:437
+msgid "field must be present"
+msgstr ""
+
+
+#: lib/ash/type/keyword.ex:256
+#: lib/ash/type/map.ex:308
+#: lib/ash/type/struct.ex:506
+#: lib/ash/type/tuple.ex:258
+msgid "invalid value"
+msgstr ""
+
+
+#: lib/ash/type/new_type.ex:226
+#: lib/ash/type/type.ex:1859
+msgid "invalid value at %{index}"
+msgstr ""
+
+
+#: lib/ash/type/struct.ex:388
+#: lib/ash/type/struct.ex:402
+msgid "is required"
+msgstr ""
+
+
+#: lib/ash/type/ci_string.ex:184
+#: lib/ash/type/string.ex:119
+#: lib/ash/type/string.ex:133
+#: lib/ash/type/string.ex:240
+msgid "length must be greater than or equal to %{min}"
+msgstr ""
+
+
+#: lib/ash/type/ci_string.ex:176
+#: lib/ash/type/string.ex:106
+#: lib/ash/type/string.ex:140
+#: lib/ash/type/string.ex:232
+msgid "length must be less than or equal to %{max}"
+msgstr ""
+
+
+#: lib/ash/type/module.ex:65
+msgid "module %{module} does not implement the %{behaviour} behaviour"
+msgstr ""
+
+
+#: lib/ash/type/module.ex:84
+msgid "module %{module} does not implement the %{protocol} protocol"
+msgstr ""
+
+
+#: lib/ash/resource/validation/action_is.ex:71
 msgid "must be %{action}"
 msgstr ""
 
 
-#: lib/ash/resource/validation/present.ex:134
-#: lib/ash/resource/validation/present.ex:212
+#: lib/ash/resource/validation/present.ex:135
+#: lib/ash/resource/validation/present.ex:213
 msgid "must be absent"
 msgstr ""
 
 
-#: lib/ash/resource/validation/changing.ex:172
-#: lib/ash/resource/validation/changing.ex:252
+#: lib/ash/resource/validation/changing.ex:173
+#: lib/ash/resource/validation/changing.ex:253
 msgid "must be changing"
 msgstr ""
 
 
-#: lib/ash/resource/validation/compare.ex:191
-#: lib/ash/resource/validation/compare.ex:417
+#: lib/ash/resource/validation/compare.ex:192
+#: lib/ash/resource/validation/compare.ex:418
 msgid "must be equal to %{is_equal}"
 msgstr ""
 
 
-#: lib/ash/resource/validation/compare.ex:139
-#: lib/ash/resource/validation/compare.ex:405
+#: lib/ash/resource/validation/compare.ex:140
+#: lib/ash/resource/validation/compare.ex:406
+#: lib/ash/type/decimal.ex:176
+#: lib/ash/type/decimal.ex:252
+#: lib/ash/type/float.ex:104
+#: lib/ash/type/float.ex:182
 msgid "must be greater than %{greater_than}"
 msgstr ""
 
 
-#: lib/ash/resource/validation/compare.ex:165
-#: lib/ash/resource/validation/compare.ex:411
+#: lib/ash/resource/validation/compare.ex:166
+#: lib/ash/resource/validation/compare.ex:412
 msgid "must be greater than or equal to %{greater_than_or_equal_to}"
 msgstr ""
 
 
-#: lib/ash/resource/validation/attribute_in.ex:74
-#: lib/ash/resource/validation/attribute_in.ex:83
+#: lib/ash/type/decimal.ex:148
+#: lib/ash/type/decimal.ex:236
+#: lib/ash/type/float.ex:88
+#: lib/ash/type/float.ex:154
+#: lib/ash/type/integer.ex:65
+#: lib/ash/type/integer.ex:79
+#: lib/ash/type/integer.ex:131
+msgid "must be greater than or equal to %{min}"
+msgstr ""
+
+
+#: lib/ash/resource/validation/attribute_in.ex:75
+#: lib/ash/resource/validation/attribute_in.ex:84
 msgid "must be in %{list}"
 msgstr ""
 
 
-#: lib/ash/resource/validation/pre_flight_authorization.ex:36
+#: lib/ash/resource/validation/pre_flight_authorization.ex:37
 msgid "must be in a pre-flight authorization context"
 msgstr ""
 
 
-#: lib/ash/resource/validation/compare.ex:151
-#: lib/ash/resource/validation/compare.ex:408
+#: lib/ash/resource/validation/compare.ex:152
+#: lib/ash/resource/validation/compare.ex:409
+#: lib/ash/type/decimal.ex:163
+#: lib/ash/type/decimal.ex:245
+#: lib/ash/type/float.ex:97
+#: lib/ash/type/float.ex:169
 msgid "must be less than %{less_than}"
 msgstr ""
 
 
-#: lib/ash/resource/validation/compare.ex:179
-#: lib/ash/resource/validation/compare.ex:414
+#: lib/ash/resource/validation/compare.ex:180
+#: lib/ash/resource/validation/compare.ex:415
 msgid "must be less than or equal to %{less_than_or_equal_to}"
 msgstr ""
 
 
-#: lib/ash/resource/validation/compare.ex:215
-#: lib/ash/resource/validation/compare.ex:423
+#: lib/ash/type/decimal.ex:135
+#: lib/ash/type/decimal.ex:229
+#: lib/ash/type/float.ex:81
+#: lib/ash/type/float.ex:141
+#: lib/ash/type/integer.ex:52
+#: lib/ash/type/integer.ex:86
+#: lib/ash/type/integer.ex:124
+msgid "must be less than or equal to %{max}"
+msgstr ""
+
+
+#: lib/ash/resource/validation/compare.ex:216
+#: lib/ash/resource/validation/compare.ex:424
 msgid "must be nil"
 msgstr ""
 
 
-#: lib/ash/resource/validation/present.ex:137
-#: lib/ash/resource/validation/present.ex:218
+#: lib/ash/type/enum.ex:281
+#: lib/ash/type/enum.ex:306
+msgid "must be one of %{values}"
+msgstr ""
+
+
+#: lib/ash/resource/validation/present.ex:138
+#: lib/ash/resource/validation/present.ex:219
 msgid "must be present"
 msgstr ""
 
 
-#: lib/ash/resource/validation/argument_equals.ex:70
-#: lib/ash/resource/validation/argument_in.ex:70
-#: lib/ash/resource/validation/attribute_equals.ex:46
-#: lib/ash/resource/validation/attribute_equals.ex:83
+#: lib/ash/resource/validation/argument_equals.ex:71
+#: lib/ash/resource/validation/argument_in.ex:71
+#: lib/ash/resource/validation/attribute_equals.ex:47
+#: lib/ash/resource/validation/attribute_equals.ex:84
 msgid "must equal %{value}"
 msgstr ""
 
 
-#: lib/ash/resource/validation/string_length.ex:112
-#: lib/ash/resource/validation/string_length.ex:207
+#: lib/ash/type/type.ex:1272
+msgid "must have %{max} or fewer items"
+msgstr ""
+
+
+#: lib/ash/type/type.ex:1265
+msgid "must have %{min} or more items"
+msgstr ""
+
+
+#: lib/ash/resource/validation/string_length.ex:113
+#: lib/ash/resource/validation/string_length.ex:208
 msgid "must have length of at least %{min}"
 msgstr ""
 
 
-#: lib/ash/resource/validation/string_length.ex:128
+#: lib/ash/resource/validation/string_length.ex:129
 msgid "must have length of at most %{max}"
 msgstr ""
 
 
-#: lib/ash/resource/validation/string_length.ex:202
+#: lib/ash/resource/validation/string_length.ex:203
 msgid "must have length of between %{min} and %{max}"
 msgstr ""
 
 
-#: lib/ash/resource/validation/string_length.ex:144
-#: lib/ash/resource/validation/string_length.ex:198
+#: lib/ash/resource/validation/string_length.ex:145
+#: lib/ash/resource/validation/string_length.ex:199
 msgid "must have length of exactly %{exact}"
 msgstr ""
 
 
-#: lib/ash/resource/validation/string_length.ex:210
+#: lib/ash/resource/validation/string_length.ex:211
 msgid "must have length of no more than %{max}"
 msgstr ""
 
 
-#: lib/ash/resource/validation/compare.ex:204
-#: lib/ash/resource/validation/compare.ex:420
+#: lib/ash/type/decimal.ex:202
+msgid "must have no more than %{precision} significant digits"
+msgstr ""
+
+
+#: lib/ash/type/decimal.ex:218
+msgid "must have no more than %{scale} decimal places"
+msgstr ""
+
+
+#: lib/ash/type/ci_string.ex:204
+#: lib/ash/type/string.ex:260
+msgid "must match the pattern %{regex}"
+msgstr ""
+
+
+#: lib/ash/resource/validation/compare.ex:205
+#: lib/ash/resource/validation/compare.ex:421
 msgid "must not be equal to %{is_not_equal}"
 msgstr ""
 
 
-#: lib/ash/resource/validation/compare.ex:226
-#: lib/ash/resource/validation/compare.ex:426
+#: lib/ash/resource/validation/compare.ex:227
+#: lib/ash/resource/validation/compare.ex:427
 msgid "must not be nil"
 msgstr ""
 
 
-#: lib/ash/resource/validation/present.ex:215
+#: lib/ash/resource/validation/present.ex:216
 msgid "must not be present"
 msgstr ""
 
 
-#: lib/ash/resource/validation/argument_does_not_equal.ex:71
-#: lib/ash/resource/validation/attribute_does_not_equal.ex:75
-#: lib/ash/resource/validation/attribute_does_not_equal.ex:84
+#: lib/ash/resource/validation/argument_does_not_equal.ex:72
+#: lib/ash/resource/validation/attribute_does_not_equal.ex:76
+#: lib/ash/resource/validation/attribute_does_not_equal.ex:85
 msgid "must not equal %{value}"
 msgstr ""
 
 
-#: lib/ash/resource/validation/function.ex:26
+#: lib/ash/resource/validation/function.ex:27
 msgid "must pass function %{function}"
 msgstr ""
 
+
+#: lib/ash/type/type.ex:1244
+msgid "no nil values"
+msgstr ""
+
+
+#: lib/ash/changeset/changeset.ex:5931
+msgid "relationship is not editable"
+msgstr ""
+
+
+#: lib/ash/type/keyword.ex:236
+#: lib/ash/type/map.ex:288
+#: lib/ash/type/struct.ex:465
+#: lib/ash/type/tuple.ex:235
+msgid "value must not be nil"
+msgstr ""
+
diff --git a/test/type/integer_test.exs b/test/type/integer_test.exs
index ca3a1c07f..872b29754 100644
--- a/test/type/integer_test.exs
+++ b/test/type/integer_test.exs
@@ -32,7 +32,7 @@ defmodule Ash.Test.Type.IntegerTest do
     end
 
     test "invalid values" do
-      assert {:error, [[message: "must be more than or equal to %{min}", min: 2]]} =
+      assert {:error, [[message: "must be greater than or equal to %{min}", min: 2]]} =
                Ash.Type.Integer.apply_constraints(1, min: 2, max: 4)
 
       assert {:error, [[message: "must be less than or equal to %{max}", max: 4]]} =
diff --git a/test/type/keyword_test.exs b/test/type/keyword_test.exs
index 36e13dc83..1582718ed 100644
--- a/test/type/keyword_test.exs
+++ b/test/type/keyword_test.exs
@@ -127,7 +127,7 @@ defmodule Type.KeywordTest do
     assert [
              %Ash.Error.Changes.InvalidAttribute{
                field: :bar,
-               message: "must be more than or equal to %{min}",
+               message: "must be greater than or equal to %{min}",
                private_vars: nil,
                value: [foo: "hello", bar: -1],
                bread_crumbs: [],
@@ -210,7 +210,7 @@ defmodule Type.KeywordTest do
            end)
 
     assert Enum.any?(errors, fn error ->
-             error.field == :bar && error.message == "must be more than or equal to %{min}"
+             error.field == :bar && error.message == "must be greater than or equal to %{min}"
            end)
   end
 
@@ -270,7 +270,7 @@ defmodule Type.KeywordTest do
 
     # Check for age minimum error
     assert Enum.any?(errors, fn error ->
-             error.field == :age && String.contains?(error.message, "more than")
+             error.field == :age && String.contains?(error.message, "greater than")
            end)
 
     # Check for email format error
@@ -339,7 +339,7 @@ defmodule Type.KeywordTest do
 
     # Check for positive integer constraint
     assert Enum.any?(errors, fn error ->
-             error.field == :positive_int && String.contains?(error.message, "more than")
+             error.field == :positive_int && String.contains?(error.message, "greater than")
            end)
 
     # Check for email format constraint
@@ -370,7 +370,7 @@ defmodule Type.KeywordTest do
           |> Enum.map(&(&1[:message] || to_string(&1)))
 
         assert Enum.any?(error_messages, &String.contains?(&1, "must be present"))
-        assert Enum.any?(error_messages, &String.contains?(&1, "more than"))
+        assert Enum.any?(error_messages, &String.contains?(&1, "greater than"))
 
       {:ok, _} ->
         flunk("Expected validation errors but got success")
@@ -404,7 +404,7 @@ defmodule Type.KeywordTest do
         assert Enum.any?(error_messages, &String.contains?(&1, "length"))
 
         # Check for count minimum constraint
-        assert Enum.any?(error_messages, &String.contains?(&1, "more than"))
+        assert Enum.any?(error_messages, &String.contains?(&1, "greater than"))
 
         # Check for email length constraint
         assert Enum.any?(error_messages, &String.contains?(&1, "length"))
diff --git a/test/type/map_test.exs b/test/type/map_test.exs
index 9460eae01..7c6c2357c 100644
--- a/test/type/map_test.exs
+++ b/test/type/map_test.exs
@@ -201,7 +201,7 @@ defmodule Ash.Type.MapTest do
     assert [
              %Ash.Error.Changes.InvalidAttribute{
                field: :integer_min_0,
-               message: "must be more than or equal to %{min}",
+               message: "must be greater than or equal to %{min}",
                private_vars: nil,
                value: %{integer_min_0: -1, foo: "hello"},
                bread_crumbs: [],
@@ -297,7 +297,7 @@ defmodule Ash.Type.MapTest do
 
     # Check that we have both errors
     assert Enum.any?(errors, fn error ->
-             error.field == :integer_min_0 && String.contains?(error.message, "more than")
+             error.field == :integer_min_0 && String.contains?(error.message, "greater than")
            end)
 
     assert Enum.any?(errors, fn error ->
@@ -332,7 +332,7 @@ defmodule Ash.Type.MapTest do
            end)
 
     assert Enum.any?(errors, fn error ->
-             error.field == :integer_min_0 && String.contains?(error.message, "more than")
+             error.field == :integer_min_0 && String.contains?(error.message, "greater than")
            end)
 
     # We should also get the string length error
@@ -368,7 +368,7 @@ defmodule Ash.Type.MapTest do
 
     # Check for integer minimum error
     assert Enum.any?(errors, fn error ->
-             error.field == :integer_min_0 && String.contains?(error.message, "more than")
+             error.field == :integer_min_0 && String.contains?(error.message, "greater than")
            end)
 
     # Check for string minimum length error
@@ -410,7 +410,7 @@ defmodule Ash.Type.MapTest do
           |> Enum.map(&(&1[:message] || to_string(&1)))
 
         assert Enum.any?(error_messages, &String.contains?(&1, "must be present"))
-        assert Enum.any?(error_messages, &String.contains?(&1, "more than"))
+        assert Enum.any?(error_messages, &String.contains?(&1, "greater than"))
         assert Enum.any?(error_messages, &String.contains?(&1, "length"))
 
       {:ok, _} ->
diff --git a/test/type/struct_test.exs b/test/type/struct_test.exs
index ae2e5eb95..b2d4a1881 100644
--- a/test/type/struct_test.exs
+++ b/test/type/struct_test.exs
@@ -239,7 +239,7 @@ defmodule Type.StructTest do
     assert [
              %Ash.Error.Changes.InvalidAttribute{
                field: :bar,
-               message: "must be more than or equal to %{min}",
+               message: "must be greater than or equal to %{min}",
                private_vars: nil,
                value: %{bar: -1, foo: "hello"},
                bread_crumbs: [],
@@ -274,7 +274,7 @@ defmodule Type.StructTest do
            end)
 
     assert Enum.any?(errors, fn error ->
-             error.field == :bar && error.message == "must be more than or equal to %{min}"
+             error.field == :bar && error.message == "must be greater than or equal to %{min}"
            end)
   end
 
@@ -344,7 +344,7 @@ defmodule Type.StructTest do
 
     # Check for age minimum error
     assert Enum.any?(errors, fn error ->
-             error.field == :age && String.contains?(error.message, "more than")
+             error.field == :age && String.contains?(error.message, "greater than")
            end)
 
     # Check for email format error
@@ -376,7 +376,7 @@ defmodule Type.StructTest do
           |> Enum.map(&(&1[:message] || to_string(&1)))
 
         assert Enum.any?(error_messages, &String.contains?(&1, "must be present"))
-        assert Enum.any?(error_messages, &String.contains?(&1, "more than"))
+        assert Enum.any?(error_messages, &String.contains?(&1, "greater than"))
 
       {:ok, _} ->
         flunk("Expected validation errors but got success")
diff --git a/test/type/tuple_test.exs b/test/type/tuple_test.exs
index 557b27906..e297c3de1 100644
--- a/test/type/tuple_test.exs
+++ b/test/type/tuple_test.exs
@@ -120,7 +120,7 @@ defmodule Ash.Type.TupleTest do
     assert [
              %Ash.Error.Changes.InvalidAttribute{
                field: :integer_min_0,
-               message: "must be more than or equal to %{min}",
+               message: "must be greater than or equal to %{min}",
                private_vars: nil,
                value: {"hello", -1},
                bread_crumbs: [],