Disable parameter update models when design matrix

Author: tbwiik

src/ert/gui/experiments/experiment_panel.py

@@ -203,10 +203,12 @@ def __init__(
             True,
         )
 
+        updatable_parameters = config.analysis_config.design_matrix is None
         experiment_type_valid = any(
             p.update_strategy is not None
             for p in config.ensemble_config.parameter_configs.values()
         ) and bool(config.observation_declarations)
+        experiment_model_enabled = updatable_parameters and experiment_type_valid
 
         self.addExperimentConfigPanel(
             MultipleDataAssimilationPanel(
@@ -217,7 +219,7 @@ def __init__(
                 active_realizations,
                 config_num_realization,
             ),
-            experiment_type_valid,
+            experiment_model_enabled,
         )
         self.addExperimentConfigPanel(
             EnsembleSmootherPanel(
@@ -228,7 +230,7 @@ def __init__(
                 active_realizations,
                 config_num_realization,
             ),
-            experiment_type_valid,
+            experiment_model_enabled,
         )
         self.addExperimentConfigPanel(
             EnsembleInformationFilterPanel(
@@ -239,11 +241,11 @@ def __init__(
                 active_realizations,
                 config_num_realization,
             ),
-            experiment_type_valid,
+            experiment_model_enabled,
         )
         self.addExperimentConfigPanel(
             ManualUpdatePanel(run_path, notifier, analysis_config),
-            experiment_type_valid,
+            experiment_model_enabled,
         )
 
         self.configuration_summary = SummaryPanel(config)
@@ -272,8 +274,10 @@ def addExperimentConfigPanel(
             assert sim_item is not None
             sim_item.setEnabled(False)
             sim_item.setToolTip(
-                "Both observations and parameters must be defined.\n"
-                "There must be parameters to update."
+                "Experiment model not enabled. \n"
+                "This is either due to \n"
+                " 1. Parameters that can be updated, or \n"
+                " 2. Either observations or parameters are not defined.\n"
             )
             style = self.style()
             assert style is not None