Unreal Engine Issues
Unreal Engine Issues
Crash in WorldPartition when creating cyclic references in LevelInstances
UE - World Creation - Worldbuilding Tools - Level Instances - Feb 1, 2024Assert when having too many VR devices
UE - Platform - XR - Aug 31, 2018Internal team is encountering a crash when adding too many VR devices. Email thread titled "Re: Crash Logs" The bug is an internal limit of devices the code supports, which is 8. If a controller o ...
Crash when ribbons use delayed spawn particle as source.
UE - Graphics Features - Dec 3, 2015User has found bug but has a working fix. Verify fix and implement in engine. ...
Crash on LinkerLoad trying to load font on the render thread
Tools - Aug 5, 2016Assertion failed: FPlatformTLS::GetCurrentThreadId() == OwnerThread [Link Removed] [Line: 4641] Callstack: > UE4Editor-CoreUObject-Win64-Debug.dll!FLinkerLoad::Serialize(V, Length) Line 4641 C++ ...
Match3 crashes on device after locking and unlocking the screen on iOS
Tools - Aug 23, 2016Aug 23 15:25:15 A6240 UnrealMatch3[987] <Warning>: Assertion failed: CommandEncoder.IsRenderPassDescriptorValid() [Link Removed] [Line: 700] Match3 does not resume after locking and unlocking the s ...
Crash from generated Merged Actor with no created lightmap UV
UE - Gameplay - Nov 11, 2016If you import a static mesh with no setup lightmap and uncheck the option for Generate lightmap UV so that only the UV Channel 0 is present. When you use the Merge Actor tool with a single one of th ...
Crash when double clicking a level in Content Browser to open it
UE - Editor - Workflow Systems - Apr 19, 2016Crash when after playing media that requires a different conversion shader
Media Framework - Sep 24, 2016The pixel format conversion code in MediaTextureResource is currently reusing the global bound shader state for different pixel shaders. This is not supported. There needs to be one shader state per ...
FAsyncIOSystemBase::QueueDestroyHandleRequest fatal error crash on launch or package
UE - Foundation - Core - Jun 23, 2015Fatal error due to FAsyncIOSystemBase::QueueDestroyHandleRequest during launching and packaging projects. May be linked to: [Link Removed] ...
Force Delete of Referenced SpeedTree Instance causes Crash
UE - Graphics Features - Nov 10, 2016This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Error message: Assertion failed: IsValid() [Link Removed] [Line: 780] Source Context: 1873 ...