Unreal Engine Issues
Unreal Engine Issues
Crash When Toggling Visibility of Level with Planar Reflection
UE - LD & Modeling - Terrain - Landscape - Mar 26, 2018This crash occurs in 4.19 and 4.20 but not 4.18. Repro'd in 4.19.0-3944462 and 4.20.0-3955769 and 3964322. This is a regression. Per UDN licensee: When I'm showing/hiding levels in editor (in le ...
Crash while using Geometry Scripting to add an Array of Vector 2D data to 'Append Buffers to Mesh' node UV0 input pin
UE - Graphics Tools - Modeling Tools - Jun 13, 2022Geometry Scripting plugin isn't available for 4.27.2, and the behavior is the same 5.0.1. Crash while using Geometry Scripting to add an Array of Vector 2D data to 'Append Buffers to Mesh' node UV0 ...
World Partition Converter- Soft object pointers to actors kept in scripted sublevels are incorrectly remapped to the main world during in place conversion
UE - World Creation - Worldbuilding Tools - World Partition - Jul 1, 2022From user:"We have ran into an issue with soft object pointer fixup/remapping with the World Partition converter. If you have a sublevel that contains a level script and an actor that is hard refer ...
Assets containing TSet or TMaps fail to Nativize
UE - Gameplay - Blueprint Runtime - Dec 12, 2016Multiple compile failures while attempting to nativize the QABP_Containers asset in QAGame. Errors:[2016.12.12-15.20.04:831][486]UATHelper: Packaging (Windows (64-bit)): xgConsole: QABP_Containers_ ...
Crash when exporting static mesh actor to FBX (Array index out of bounds)
UE - Editor - Content Pipeline - FBX - Apr 25, 2025I set the Forced LOD Model on the mesh component > 1, then tried to export, this is what causes the crash. Here is my suggested fix, we just don't use Git or I'd do a PR: In the else() branch of FF ...
Final Gather Quality Post Process setting causes severe rendering issues in the Stack-O-Bot project
UE - Graphics Features - Lumen - Feb 24, 2022When opening the Stack-O-Bot project in 5.0 Preview 1, the project has a rendering issue where bright shimmering lights appear all around the screen. I discovered that this is due to the PostProcess ...
[CrashReport] Access Violation - UModelComponent::GetPhysicsTriMeshData() [modelcomponent.cpp:673]
UE - Simulation - Physics - Oct 2, 2017This is a trending crash coming out of the 4.18 Previews. Users have not provided any descriptions of their actions when the crash occurred. The callstack is similar to [Link Removed], which was ju ...
Launching Android project to device results in Assertion Failed: AsyncLoading.cpp, Line 3710
UE - Platform - Mobile - Aug 31, 2020After updating to 4.25.1 from 4.25 Packaged Android game crashes constantly with objects added to the map 4.25 Packaged game did not crash (editor did a lot but glad thats fixed in 4.25.1) Empty map ...
[CrashReport] UE4Editor_MovieSceneCapture!FormatForEDL() [moviescenecapturehelpers.cpp:216]
UE - Anim - Sequencer - Jul 6, 2017This is a common crash affecting users in 4.16. User Descriptionsrender a sequence to a video file or image sequence Source Context 205 void FormatForEDL(FString& OutputString, const FStri ...
Niagara Crash : ExportParticleDataToBlueprint module causes buffer overrun
UE - Niagara - Aug 10, 2021This buffer overrun is probably caused by the ExportParticleDataToBlueprint module does not respecting the GPUAllocation Fixed Size setting in the module. In fact, out-of-range export data is not c ...