https://www.epicgames.com/help/en-US/epic-games-store-c5719341124379/error-codes-c5719359691291/is-bv05-build-verification-failed-due-to-file-size-mismatch-a5720354007323#:~:text=This%20error%20can%20be%20caused,your%20game%20or%20bad%20memory.