Fatal error , LongPackageNameToFilename failed to convert 'None'. Path does not map to any roots

Hey mageena,

Please refrain from creating multiple duplicate threads. I am closing this thread as a duplicate of https://answers.unrealengine.com/questions/669805/again-urgent-help-please-project-craches-on-start.html

Refer to that thread for more information on this issue.

Have a great day

hi
I got that, ANY HELP PLEASE.

Fatal error: [File:D:\Build++UE4+Release-4.16+Compile\Sync\Engine\Source\Runtime\CoreUObject\Private\Misc\PackageName.cpp] [Line: 390]
LongPackageNameToFilename failed to convert ‘None’. Path does not map to any roots.

UE4Editor_Core!FDebug::AssertFailed() [d:\build++ue4+release-4.16+compile\sync\engine\source\runtime\core\private\misc\assertionmacros.cpp:349]
UE4Editor_CoreUObject!FPackageName::LongPackageNameToFilename() [d:\build++ue4+release-4.16+compile\sync\engine\source\runtime\coreuobject\private\misc\packagename.cpp:390]
UE4Editor_UnrealEd!PackageRestore::PromptToRestorePackages() [d:\build++ue4+release-4.16+compile\sync\engine\source\editor\unrealed\private\packagerestore.cpp:556]
UE4Editor_UnrealEd!FPackageAutoSaver::OfferToRestorePackages() [d:\build++ue4+release-4.16+compile\sync\engine\source\editor\unrealed\private\packageautosaver.cpp:295]
UE4Editor_UnrealEd!FUnrealEdMisc::OnInit() [d:\build++ue4+release-4.16+compile\sync\engine\source\editor\unrealed\private\unrealedmisc.cpp:300]
UE4Editor_UnrealEd!EditorInit() [d:\build++ue4+release-4.16+compile\sync\engine\source\editor\unrealed\private\unrealedglobals.cpp:97]
UE4Editor!GuardedMain() [d:\build++ue4+release-4.16+compile\sync\engine\source\runtime\launch\private\launch.cpp:150]
UE4Editor!GuardedMainWrapper() [d:\build++ue4+release-4.16+compile\sync\engine\source\runtime\launch\private\windows\launchwindows.cpp:134]
UE4Editor!WinMain() [d:\build++ue4+release-4.16+compile\sync\engine\source\runtime\launch\private\windows\launchwindows.cpp:210]
UE4Editor!__scrt_common_main_seh() [f:\dd\vctools\crt\vcstartup\src\startup\exe_common.inl:264]
kernel32
ntdll