Unreal Engine Issues
Unreal Engine Issues
Build Warning when HotReloading - LogUObjectGlobals:Warning: Guid is already used by
UE - Gameplay - Blueprint - Sep 12, 2016Changing class code causes class instance placed in the viewport to produce the warning message shown below upon hot reload. Also reported that callstack occurs but does not crash the editor. The ...
[CrashReport] UE4Editor_MovieScene!FMovieSceneEvaluationTrack::EvaluateStatic() [moviesceneevaluationtrack.cpp:445]
UE - Anim - Sequencer - Apr 11, 2018No comments from users in crash group 442 void FMovieSceneEvaluationTrack::EvaluateStatic(FMovieSceneSegmentIdentifier SegmentID, const FMovieSceneEvaluationOperand& Operand, FMovieSceneConte ...
FPlatformMisc::RequestExit freezes app in IOS
UE - Platform - Apple - Jul 12, 2022See the UDN question (duplicated below). I think we need to better manage the lifetime of the event we use for synchronization here. We are experiencing an issue where when FPlatformMisc::Request ...
check(!bPostTickComponentUpdate) fails triggered by UNiagaraComponent::CreateRenderState_Concurrent() and StaticMeshCompilingManager::FinishCompilation()
UE - Niagara - Rendering - Jul 23, 2024Reported alongside [Link Removed] Context: Some ActorComponents can schedule end-of-frame work which UWorld executes later in the frame in UWorld::SendAllEndOfFrameUpdates(). By-design it appears t ...
Investigate Streaming getting disabled on a World Partition map as a side-effect of loading the map as a regular asset
UE - World Creation - Worldbuilding Tools - World Partition - Apr 1, 2025We recently encountered an odd issue where loading into our main world partitioned map would result in a crash caused by all streaming cells getting loaded at the same time. Turns out this was cause ...
[CrashReport] Integer divide-by-zero | RHIGetRenderQueryResult() [d3d11query.cpp:59]
UE - Graphics Features - Aug 29, 2017This is a common and longstanding crash that has occurred since at least the 4.15 release and has affected more than 200 users. User Descriptionsafter opening a projectwas just trying to start a pr ...
[CrashReport] UE4Editor_Core!FArchive::SerializeCompressed() [archive.cpp:696]
UE - Foundation - Core - Jun 12, 2018No user comments in crash group 686 // Iterate over all chunks, serialize them into memory and decompress them directly into the destination pointer 687 for( int64 ChunkIndex=0; ...
[CrashReport] UE4Editor_CoreUObject!FPackageName::LongPackageNameToFilename() [packagename.cpp:381]
Tools - Jul 14, 2017This is a common crash affecting users in 4.15 and 4.16. It appears to often occur while editing static meshes. User DescriptionsI was editing a mesh, added a socket, didnt immediately rename it, s ...
[CrashReport] UE4Editor_UMG!CastChecked<UUserWidget,UObject>
UE - Anim - Sequencer - Aug 14, 2017This is an early trending crash in the 4.17 release. This may be a regression as there is no initial evidence of this callstack occurring in 4.16. User DescriptionsJust compiled my widget Source C ...
[CrashReport] UE4Editor_Engine!UBodySetup::FinishCreatingPhysicsMeshes() [bodysetup.cpp:464]
UE - Simulation - Physics - Oct 27, 2017This is a trending crash coming out of the 4.18 release. User DescriptionsWas moving assets that were migrated from another project. Source Context 451 if(bClearMeshes) 452 { ...