I'm a newbie, what does this mean?

[wang210zh]

LoginId:0e588e194a37e7c87f87299a40c1f8df
EpicAccountId:32f6b83282f44b04affc5222f5836520

Assertion failed: (Index >= 0) & (Index < ArrayNum) [File:D:\Program Files\Epic Games\UE_5.4\Engine\Source\Runtime\Core\Public\Containers\Array.h] [Line: 758] Array index out of bounds: 8 into an array of size 8

UnrealEditor_VRM4ULoader
UnrealEditor_VRM4ULoader
UnrealEditor_VRM4ULoader
UnrealEditor_VRM4ULoader
UnrealEditor_VRM4UImporter
UnrealEditor_UnrealEd
UnrealEditor_UnrealEd
UnrealEditor_AssetTools
UnrealEditor_AssetTools
UnrealEditor_UnrealEd
UnrealEditor_UnrealEd
UnrealEditor_UnrealEd
UnrealEditor_Engine
UnrealEditor_Engine
UnrealEditor_UnrealEd
UnrealEditor_UnrealEd
UnrealEditor
UnrealEditor
UnrealEditor
UnrealEditor
UnrealEditor
UnrealEditor
kernel32
ntdll