Crash Report: InvalidOperationException: Sequence contains no matching element

[Baledin]

Fly Casual Release Version
v2.5.20241101.04

Managed Stack Trace:

(unknown) (at F:/Unity/FlyCasual/Assets/Scripts/Model/Content/Core/Ship/UpgradesBar/UpgradeSlot.cs:59)
(unknown) (at F:/Unity/FlyCasual/Assets/Scripts/View/SquadBuilder/Panels/SquadBuilderUpgradesView.cs:120)
(unknown) (at ./Library/PackageCache/com.unity.ugui@2.0.0/Runtime/UGUI/EventSystem/EventTrigger.cs:218)
(unknown) (inlined) (at F:/Unity/FlyCasual/Assets/ImportedAssets/Mirror/Core/Tools/Mathd.cs:25)
(unknown) (at ./Library/PackageCache/com.unity.ugui@2.0.0/Runtime/UGUI/EventSystem/ExecuteEvents.cs:272)
(unknown) (at ./Library/PackageCache/com.unity.ugui@2.0.0/Runtime/UGUI/EventSystem/InputModules/StandaloneInputModule.cs:415)
(unknown) (at ./Library/PackageCache/com.unity.ugui@2.0.0/Runtime/UGUI/EventSystem/InputModules/StandaloneInputModule.cs:307)
(unknown) (at ./Library/PackageCache/com.unity.ugui@2.0.0/Runtime/UGUI/EventSystem/InputModules/StandaloneInputModule.cs:281)

[Baledin]

Error occurs in UpgradeSlot.PreInstallUpgrade method. This section of code is only accessible when an upgrade has 2+ upgrade icons, such as Nightbrother on the Gauntlet Fighter. Guessing someone was adding/removing icons (perhaps through an upgrade that gives bonus slots?)