Seems it want to write a file to disk… but the file name is not valid or the file does not exist
if (PlatformFile.MoveFile(*FinalFilename, *TempFilename))
{
// File is now available
Chunk->bFileAvailableInVTDDCDache = true;
}
else
{
// Failed to move file, was the final file somehow created by a different process?
PlatformFile.DeleteFile(*TempFilename);
Chunk->bFileAvailableInVTDDCDache = PlatformFile.FileExists(*FinalFilename);
check(Chunk->bFileAvailableInVTDDCDache);
}
try to disable this option in project settings