Bad MeshDescription IsMeshDescriptionValid(0) Crash Unreal

Hi, i was working on my project and i wanted to play the level. Unreal crashed and i had this error message (i cant open project, unreal instant crash when i am trying to open it).
I saw similar problem with similar error message but he didnt helped me. Thank you !!

Assertion failed: Owner->IsMeshDescriptionValid(0) [File:D:\build++UE5\Sync\Engine\Source\Runtime\Engine\Private\StaticMesh.cpp] [Line: 3048] Bad MeshDescription on /Game/VFX_Project/Level_VFX.LandscapeNaniteMesh

UnrealEditor_Engine
UnrealEditor_Engine
UnrealEditor_Engine
UnrealEditor_Engine
UnrealEditor_Engine
UnrealEditor_Engine
UnrealEditor_Core
UnrealEditor_Core
UnrealEditor_Core
UnrealEditor_Core
UnrealEditor_Core
UnrealEditor_Core
UnrealEditor_Core
UnrealEditor_Core
UnrealEditor_Core
UnrealEditor_Core
UnrealEditor_Core
UnrealEditor_Core
kernel32
ntdll