Unreal Engine Issues
Unreal Engine Issues
Non-reflected header files not recognized by UHT
UE - Foundation - Core - Jul 28, 2015A user adds 3 .h files though Visual studio where the first contains a struct, the 2nd includes the 1st, the 3rd includes the 2nd and tries to make a variable of the struct declared in the 1st. The ...
[CrashReport] Assertion failed: Array index out of bounds - GetPhysicsTriMeshData() [modelcomponent.cpp:688]
UE - Simulation - Physics - Oct 30, 2017This is a semi-common crash that has occurred since at least 4.17.1. The callstack is nearly identical to [Link Removed], which was fixed in 4.18.0, however the error message and source context are ...
Assertion failed: (Index >= 0) & (Index < ArrayNum) when importing large Alembic file
UE - Editor - Content Pipeline - Datasmith - Importer - May 3, 2022Regression testing done on //UE4/Release-4.27.2 CL-18427296 and this issue did occur. [Link Removed] [Link Removed] Below is snips of customers description and proposed workaround:Importing alembi ...
Crash when trimming animation and then undoing action
UE - Anim - Runtime - May 30, 2023Repro rate: 3/3 times This is a regression as the issue does not occur in 5.1.1 ...
[CrashReport] Linux crash - llvm::TargetLowering::LowerCallTo()
UE - Platform - Linux - Jul 20, 2017This is a common Linux crash in 4.16.2. ...
Control Rig settings are not retained between editor sessions or carried into deployed game
UE - Anim - Rigging - Control Rig - Jun 10, 2020Control Rig settings are not retained between editor sessions or carried into deployed game ...
Linux crashes in the Project Browser without using the -nocef command
UE - Platform - Linux - Feb 22, 2022When opening Unreal Editor on Linux, the Project Browser opens but is completely unresponsive. Shortly afterwards the editor will crash. If you use the -nocef command when opening the Editor, everyt ...
Visible dithered quantization to remove banding in New Temporal AA Quality
UE - Graphics Features - Oct 6, 2015Since changing the temporal history buffer to 11:11:10 from FP16, it looks as there is visible dithered quantization to remove banding when rendering. (Taken from conversation on Forum Post linked f ...
Attempting to build lighting in project crashes editor
UE - LD & Modeling - Terrain - Landscape - May 18, 2016Attempting to build lighting in user's project crashes editor. Frequency: 3/3 CrashReporter: N/A ...
Crash when fast moving Character objects has Teleporting enabled
UE - Simulation - Physics - Character - Nov 28, 2022Reproduced 3/3 times. Issue does not occur in //UE4/Release-4.27, so Confirmed Regression. ...