Unreal Engine Issues
Unreal Engine Issues
Sub Classing World Settings Causes Hot Reload to Crash
UE - Foundation - Core - Feb 3, 2016When creating a subclass of World Settings, attempting to use the in-editor compile button to compile the code causes the editor to crash. Found in 4.11 Preview 4. Reproduced in 4.10.2 binary and ...
Duplicated blueprints cannot access casted class nodes
UE - Gameplay - Blueprint - Jun 15, 2015Duplicating blueprints that have 'cast to' nodes included in them display errors such as: "Could not find a function named 'AdjustShield' in 'worker_c'. Make sure 'worker_c' has been compiled for." ...
The packaged build of a project that has a strong pointer initialized to nullptr immediately closes on launch
UE - Foundation - Core - Aug 2, 2019When a strong pointer is set to null the packaged build of the game will immediately close. No crash logs were were made and no Saved folder was made (<Project Name>/Saved/Logs). An example project ...
Texturing: RC 1.5 texturing hangs, RC 1.4.2 works fine with same dataset and workflow
RC - Texturing - Feb 13, 2025Tested on the provided project, it looks like the unwrap was provided, but then the process stuck. I also checked the Task manager and there wasn't almost any activity for RealityCapture.[Image Remo ...
Crash when changing r.MaterialQualityLevel when FastGeo plugin enabled in cooked build
UE - World Creation - Worldbuilding Tools - Sep 5, 2025The engine crashes when the r.MaterialQualityLevel is changed in a cooked game that uses the FastGeo Streaming Plugin. The crash doesn't repro with the same steps in Editor, just in a cooked build. ...
Compile failure in UHT with combined multi-line / single line comments
UE - Foundation - Core - Apr 22, 2015Using a single line comment to immediately follow a multi-line comment closing brace results in an illegible compile errors: "error code: CrashOrAssert(3)" Workaround: Include a space between */ an ...
Setting multiple identical actors to replicate movement will crash on PIE with multiple players
UE - Networking - Jan 28, 2015If ten or more of the same actor in a level have the "replicate movement" checkbox set to true, the editor will crash on PIE if the number of players is set to 2 (or with 1/2/3 players if dedicated ...
Crash assigning spline mesh on tiled landscape
UE - LD & Modeling - Terrain - Landscape - Jun 1, 2015Crash assigning mesh to spline on tiled landscape. ...
Blueprint Break on Exceptions does not work with Accessed None errors
UE - Gameplay - Blueprint - Jan 14, 2015The experimental feature Blueprint Break on Exceptions does not work with Accessed None errors. To test, create an actor variable in a blueprint and use it as an input to a function without having s ...
Collapsed Nodes do not have execution pins highlight during use
UE - Gameplay - Blueprint - Jan 16, 2015When nodes are collapsed in editor, the execution pins to the nodes do not light up to show their use. ...