Unreal Engine Issues
Unreal Engine Issues
Incorrect number of parameters in empty Shipping version of the DrawDebugString() function signature
UE - Foundation - Core - Mar 26, 2019The DrawDebugString() function has to versions. One is the actual function to display a string of debug text in non-Shipping builds, and the other is an empty function that is used in Shipping build ...
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 ...
[AI] ZoneShapes visualization does not reset after selecting another actor
UE - AI - Jul 26, 2023ZoneShapes do not reset visuals when being de-selected and re-selected. The last piece of the zone shape to be selected will still show as selected when the shape is re-selected, but using the edito ...
Translucent materials with Modulate blend mode disappear with down-res translucency enabled
UE - Rendering - Graphics Features - May 28, 2024Reported from this UDN: https://udn.unrealengine.com/s/question/0D5QP00000MLlco0AD/active-dtr-doesnt-render-beforedofmodulated-materials?fromCase=1 The problem is that, except in very specific circ ...
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 ...
Crash during PIE using the Spawn Actor node on EventBegin Play on Mac
UE - Platform - Apple - Feb 23, 2016A user has reported a crash when attempting to use the 'Spawn Actor' node within his level blueprint. I was able to follow the repro steps provided in the original answerhub post and get the crash ...
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. ...