This is common crash coming out of the 4.17 and 4.18 releases. The callstack is similar to an old unresolved import crash: [Link Removed]
User Descriptions
Source Context
494 virtual bool Seek(int64 NewPosition) override
495 {
496 check(IsValid());
497 check(NewPosition >= 0);
498 check(NewPosition <= FileSize);
499
500 ***** FilePos = NewPosition;
501 UpdateOverlappedPos();
502 return true;
503 }
repro steps currently unknown; but related to building lighting
Assertion failed: NewPosition <= FileSize [File:D:\Build\++UE4+Release-4.17+Compile\Sync\Engine\Source\Runtime\Core\Private\Windows\WindowsPlatformFile.cpp] [Line: 499] UE4Editor_Core!FFileHandleWindows::Seek() [windowsplatformfile.cpp:501] UE4Editor_Core!FArchiveFileWriterGeneric::Seek() [filemanagergeneric.cpp:796] UE4Editor_CoreUObject!UPackage::Save() [savepackage.cpp:5100] UE4Editor_UnrealEd!UEditorEngine::Save() [editorengine.cpp:4210] UE4Editor_UnrealEd!UEditorEngine::SavePackage() [editorengine.cpp:4268] UE4Editor_UnrealEd!UEditorEngine::Exec_Obj() [editorserver.cpp:4431] UE4Editor_UnrealEd!UEditorEngine::Exec() [editorserver.cpp:5526] UE4Editor_UnrealEd!UUnrealEdEngine::Exec() [unrealedsrv.cpp:672] UE4Editor_UnrealEd!FEditorFileUtils::AutosaveContentPackagesEx() [filehelpers.cpp:2453] UE4Editor_UnrealEd!FPackageAutoSaver::AttemptAutoSave() [packageautosaver.cpp:206] UE4Editor_UnrealEd!UUnrealEdEngine::Tick() [unrealedengine.cpp:430] UE4Editor!FEngineLoop::Tick() [launchengineloop.cpp:3215] UE4Editor!GuardedMain() [launch.cpp:166] UE4Editor!GuardedMainWrapper() [launchwindows.cpp:134] UE4Editor!WinMain() [launchwindows.cpp:210] UE4Editor!__scrt_common_main_seh() [exe_common.inl:253] kernel32!BaseThreadInitThunk() ntdll!RtlUserThreadStart()
I am not able to find world outliner how to enable it?
Undefined sysmbol: typeinfo for AActor when cross-compile linux dedicated server on windows
How can i modify the param name in EQS node
When I open UE4 4.24.3 it appears that. Does anyone know how to solve?
How to achieve HLSL Multiple Render Target in Material blueprints?
What method is used to fill polygonal regions when drawing spline mesh at run time?
There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-48975 in the post.