Error to import Datasmith

Development Pipeline & Plugins
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1

when i try import my file datasmith in UE 5, the program crash, i don’t know why

Assertion failed: SerializeNum >= 0 [File:D:\build++UE5\Sync\Engine\Source\Runtime\Core\Public\Containers\Array.h] [Line: 1181]

UnrealEditor_DatasmithNativeTranslator
UnrealEditor_DatasmithNativeTranslator
UnrealEditor_DatasmithNativeTranslator
UnrealEditor_DatasmithNativeTranslator
UnrealEditor_DatasmithImporter
UnrealEditor_DatasmithImporter
UnrealEditor_DatasmithImporter
UnrealEditor_Core
UnrealEditor_Core
UnrealEditor_Core
UnrealEditor_Core
UnrealEditor_Core
UnrealEditor_Core
UnrealEditor_Core
UnrealEditor_Core
UnrealEditor_Core
kernel32
ntdll

2

which UE version?
By any change, can you share the udatasmith and asset files, in private, with us?