I can't launch a session because the UEFN crashes every time I try to validate my project

Development Programming & Scripting
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1

Please someone help me!! Every time i try to launch a session, UEFN crashes and i receive this message:

Fatal error: [File:Z:\UEVFS\Root\Engine\Source\Runtime\Core\Private\Serialization\LargeMemoryReader.cpp] [Line: 22]
Tried to initialize an FLargeMemoryReader with a null or empty buffer. Archive name: None.

What i can do???

2

Hi @Rafamatheus2010 ,

Here’s a post that might help. Although the error mentioned there occurs in Unreal Engine rather than UEFN, the solution may still apply since it’s the same error you’re experiencing.

Hope it helps!