MachineId:B8A8BEA942B6F7428EC4AC9A1AF996D5
EpicAccountId:d08c8ca92d6d4a11afb11a19f8c329cb
Assertion failed: NewPosition >= 0 [File:D:\Build++UE4+Release-4.14+Compile\Sync\Engine\Source\Runtime\Core\Private\Windows\WindowsPlatformFile.cpp] [Line: 452]
UE4Editor_Core!FDebug::AssertFailed() [d:\build++ue4+release-4.14+compile\sync\engine\source\runtime\core\private\misc\assertionmacros.cpp:332]
UE4Editor_Core!FFileHandleWindows::Seek() [d:\build++ue4+release-4.14+compile\sync\engine\source\runtime\core\private\windows\windowsplatformfile.cpp:453]
UE4Editor_Core!FArchiveFileWriterGeneric::Seek() [d:\build++ue4+release-4.14+compile\sync\engine\source\runtime\core\private\hal\filemanagergeneric.cpp:785]
UE4Editor_CoreUObject!UStruct::SerializeTaggedProperties() [d:\build++ue4+release-4.14+compile\sync\engine\source\runtime\coreuobject\private\uobject\class.cpp:1181]
UE4Editor_CoreUObject!UObject::SerializeScriptProperties() [d:\build++ue4+release-4.14+compile\sync\engine\source\runtime\coreuobject\private\uobject\obj.cpp:1130]
UE4Editor_CoreUObject!UObject::Serialize() [d:\build++ue4+release-4.14+compile\sync\engine\source\runtime\coreuobject\private\uobject\obj.cpp:1064]
UE4Editor_Engine!UMorphTarget::Serialize() [d:\build++ue4+release-4.14+compile\sync\engine\source\runtime\engine\private\morphmesh.cpp:21]
UE4Editor_CoreUObject!UPackage::Save() [d:\build++ue4+release-4.14+compile\sync\engine\source\runtime\coreuobject\private\uobject\savepackage.cpp:5097]
UE4Editor_UnrealEd!UEditorEngine::Save() [d:\build++ue4+release-4.14+compile\sync\engine\source\editor\unrealed\private\editorengine.cpp:3966]
UE4Editor_UnrealEd!UEditorEngine::SavePackage() [d:\build++ue4+release-4.14+compile\sync\engine\source\editor\unrealed\private\editorengine.cpp:4026]
UE4Editor_UnrealEd!UEditorEngine::Exec_Obj() [d:\build++ue4+release-4.14+compile\sync\engine\source\editor\unrealed\private\editorserver.cpp:4501]
UE4Editor_UnrealEd!UEditorEngine::Exec() [d:\build++ue4+release-4.14+compile\sync\engine\source\editor\unrealed\private\editorserver.cpp:5596]
UE4Editor_UnrealEd!UUnrealEdEngine::Exec() [d:\build++ue4+release-4.14+compile\sync\engine\source\editor\unrealed\private\unrealedsrv.cpp:615]
UE4Editor_UnrealEd!FEditorFileUtils::AutosaveContentPackagesEx() [d:\build++ue4+release-4.14+compile\sync\engine\source\editor\unrealed\private\filehelpers.cpp:2437]
UE4Editor_UnrealEd!FPackageAutoSaver::AttemptAutoSave() [d:\build++ue4+release-4.14+compile\sync\engine\source\editor\unrealed\private\packageautosaver.cpp:189]
UE4Editor_UnrealEd!UUnrealEdEngine::Tick() [d:\build++ue4+release-4.14+compile\sync\engine\source\editor\unrealed\private\unrealedengine.cpp:399]
UE4Editor!FEngineLoop::Tick() [d:\build++ue4+release-4.14+compile\sync\engine\source\runtime\launch\private\launchengineloop.cpp:2859]
UE4Editor!GuardedMain() [d:\build++ue4+release-4.14+compile\sync\engine\source\runtime\launch\private\launch.cpp:152]
UE4Editor!GuardedMainWrapper() [d:\build++ue4+release-4.14+compile\sync\engine\source\runtime\launch\private\windows\launchwindows.cpp:126]
UE4Editor!WinMain() [d:\build++ue4+release-4.14+compile\sync\engine\source\runtime\launch\private\windows\launchwindows.cpp:202]
UE4Editor!__scrt_common_main_seh() [f:\dd\vctools\crt\vcstartup\src\startup\exe_common.inl:264]
kernel32
ntdll