Unreal Engine Issues
Unreal Engine Issues
Collison and Simple Collision Mip Level Crash
UE - Graphics Tools - Terrain - Landscape - Mar 21, 2023SortConsecutiveSections could crash if opening a sequence that has null shots
UE - Anim - Sequencer - Apr 6, 2023Light Mixer crashes on transform context menu
UE - Editor - UI Systems - Dec 19, 2023Originates from UDN [Link Removed] ...
Crash in WorldPartition when creating cyclic references in LevelInstances
UE - World Creation - Worldbuilding Tools - Level Instances - Feb 1, 2024Crash when closing a connection from listen server when using
UE - World Creation - Worldbuilding Tools - World Partition - Oct 3, 2024Interchange Runtime .glb Import Crash When Packaged
UE - Editor - Content Pipeline - Import and Export - Jun 10, 2025The runtime import process works fine in editor, but fatal error when trying to do so with packaged build of project. My function that calls ImportAsset():bool UMeshLoader::RequestMeshLoad(FString ...
Assert 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 ...