Unreal Engine Issues
Unreal Engine Issues
Crash when playing a other Level Sequence inside a Spawnable Actor registered with Level Sequence
UE - Anim - Sequencer - Feb 17, 2021This issue crashes on exit when playing a other Level Sequence on an Event in a Spawnable Actor. Also this problem doesn't occur in 4.25. ...
Editor crash on level load with multiple actors with the name "(none)"
Tools - Jun 14, 2017If three or more actors are saved to a level with the same name in the Content Browser of "none", attempting to load the level (open or right click on umap asset in content browser) causes the edito ...
Crash attempting to force delete a duplicate skeletal mesh while in Paint Mode
OLD - Anim - May 17, 2017The editor crashes when you Force Delete the vertex painted asset in the viewport from the content browser. This was not a feature in 4.15 therefore not a regression This also happens in 4.17 - f ...
Crash creating loop between two anim blueprints referencing each other as sub anim instances
OLD - Anim - Aug 8, 2016Crash occurs when the user creates a loop between two anim blueprints referencing each other as sub anim instances ...
[CrashReport] Undo crash - FD3D11DynamicRHI::RHIDrawIndexedPrimitive() [d3d11commands.cpp:1650]
UE - Graphics Features - Nov 2, 2017This is a trending crash coming out of 4.18, although it also occurred with less frequency in 4.16 and 4.17. The callstack shares similarities to [Link Removed] and [Link Removed], and the user com ...
Undo change to Rest Offset causing crash in Static Mesh Editor
UE - Runtime - Simulation - Aug 8, 2023When undoing any change to Rest Offset for a collision mesh the engine will crash. This issue is occurring in Binary //UE5/Release-5.3 @ CL 26560699 This issue is occurring in Binary //UE5/Release- ...
Precaching global shaders with r.PSOPrecache.GlobalShaders = 2 crashes on startup
UE - Rendering - RHI - Feb 19, 2026A licensee has reported that they are trying to run a cooked project with r.PSOPrecache.GlobalShaders=2 and running into a crash. They believe the problem is in PrecacheComputePipelineStatesForGlob ...
User crashes during play/save/open project in UE 4.6.1
UE - Gameplay - Blueprint - Feb 25, 2015User reports crashing upon open, saving or playing their project in 4.6.1 in Binary. Assertion failed: TargetDelegate [Link Removed] [Line: 5407] ...
crash at checkUERenderCommandPipeIsReplaying in RenderScenecpp
UE - Rendering - Architecture - Jul 15, 2024Drawing a material to a render target when that material samples an RVT can cause an editor crash. In our testing, the check() did not always occur on the first PIE session, but would always occur ...
Right-clicking a DataAsset Based on a Blueprint Class can Crash the Editor
UE - Framework - Blueprint - Mar 7, 2023The editor can crash when you attempt to open the context menu for a data asset based on a blueprint class. This happens only if the blueprint class the data asset is based on is not currently loade ...