Project Crashing

Legacy UDK Projects
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1

was working on this game and today when i opened it keep crashing. how can i fix it?

immagine
immagine1920×1080 216 KB

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Assertion failed: Tag.Size == Loaded [File:D:\build++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\Class.cpp] [Line: 1884]
Size mismatch in OnComponentBeginOverlap of BoxComponent of type MulticastSparseDelegateProperty. Loaded 4 bytes but expected 16. Package: /Game/ExternalActors/ThirdPerson/Maps/ThirdPersonMap/0/QV/T7PF2GSU69QDAL89O3PA7K. Property: ‘OnComponentBeginOverlap’. Type: ‘Class /Script/Engine.BoxComponent’.

UnrealEditor_CoreUObject
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kernel32
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