Unreal Engine 5.1.1 Crashing When I Try Deleting or Even Moving Files

Development Platform & Builds
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Assertion failed: ParentAnimClass->GetSparseClassDataStruct() [File:D:\build++UE5\Sync\Engine\Source\Editor\AnimGraph\Private\AnimBlueprintCompiler.cpp] [Line: 1274]

UnrealEditor_AnimGraph
UnrealEditor_AnimGraph
UnrealEditor_KismetCompiler
UnrealEditor_KismetCompiler
UnrealEditor_KismetCompiler
UnrealEditor_Kismet
UnrealEditor_Kismet
UnrealEditor_CoreUObject
UnrealEditor_CoreUObject
UnrealEditor_CoreUObject
UnrealEditor_CoreUObject
UnrealEditor_CoreUObject
UnrealEditor_CoreUObject
UnrealEditor_CoreUObject
UnrealEditor_CoreUObject
UnrealEditor_CoreUObject
UnrealEditor_CoreUObject
UnrealEditor_CoreUObject
UnrealEditor_CoreUObject
UnrealEditor_AssetTools
UnrealEditor_AssetTools
UnrealEditor_AssetTools
UnrealEditor_ContentBrowserAssetDataSource
UnrealEditor_ContentBrowserAssetDataSource
UnrealEditor_ContentBrowserAssetDataSource
UnrealEditor_ContentBrowser
UnrealEditor_ContentBrowser
UnrealEditor_ContentBrowser
UnrealEditor_Slate
UnrealEditor_Slate
UnrealEditor_Slate
UnrealEditor_Slate
UnrealEditor_Slate
UnrealEditor_Slate
UnrealEditor_Slate
UnrealEditor_Slate
UnrealEditor_Slate
UnrealEditor_Slate
UnrealEditor_Slate
UnrealEditor_ApplicationCore
UnrealEditor_ApplicationCore
UnrealEditor_ApplicationCore
UnrealEditor_ApplicationCore
user32
user32
UnrealEditor_ApplicationCore
UnrealEditor
UnrealEditor
UnrealEditor
UnrealEditor
UnrealEditor
UnrealEditor
kernel32
ntdll

This is the crash report im getting. Anyone know how to fix this?

Update:
There are some files that makes engine crash even when i right click on them

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I’ve found the problem. It was some skeletons that weren’t valid when i replaced them it fixed.

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