This report has been logged due to a high volume of submitted crash reports. Additional information is currently unknown.
User descriptions
Source Context
562 {
563 #if WITH_EDITOR
564 TArray<FAsyncDistanceFieldTask*> LocalCompletedTasks;
565 CompletedTasks.PopAll(LocalCompletedTasks);
566
567 for (int TaskIndex = 0; TaskIndex < LocalCompletedTasks.Num(); TaskIndex++)
568 {
569 // We want to count each resource built from a DDC miss, so count each iteration of the loop separately.
570 COOK_STAT(auto Timer = DistanceFieldCookStats::UsageStats.TimeSyncWork());
571 FAsyncDistanceFieldTask* Task = LocalCompletedTasks[TaskIndex];
572
573 ReferencedTasks.Remove(Task);
574
575 Task->GeneratedVolumeData->VolumeTexture.Initialize();
576 ***** FDistanceFieldVolumeData* OldVolumeData = Task->StaticMesh->RenderData->LODResources[0].DistanceFieldData;
577
578 {
579 // Cause all components using this static mesh to get re-registered, which will recreate their proxies and primitive uniform buffers
580 FStaticMeshComponentRecreateRenderStateContext RecreateRenderStateContext(Task->StaticMesh, false);
In a project with GenerateMeshDistanceFields enabled (like QAGame)
Import a static mesh
While the distance field is building, delete the static mesh and choose 'Force Delete'
Editor will crash
Access violation - code c0000005 (first/second chance not available) UE4Editor_Engine!FDistanceFieldAsyncQueue::ProcessAsyncTasks() [distancefieldatlas.cpp:577] UE4Editor!FEngineLoop::Tick() [launchengineloop.cpp:3040] UE4Editor!GuardedMain() [launch.cpp:166] UE4Editor!GuardedMainWrapper() [launchwindows.cpp:134] UE4Editor!WinMain() [launchwindows.cpp:210] UE4Editor!__scrt_common_main_seh() [exe_common.inl:264] kernel32!BaseThreadInitThunk() ntdll!RtlUserThreadStart()
There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-45559 in the post.