Unreal Engine Issues
Unreal Engine Issues
If PIE is paused using the 'Pause key', the Pause or Resume buttons on the toolbar will no longer start PIE
Tools - Feb 5, 2015If PIE is paused using the 'Pause key', the Pause or Resume buttons on the toolbar will no longer start PIE. You have to make sure that the icon is toggled to Pause, select the viewport, and then p ...
Changing code based component category causes component to become ineditable in blueprints
UE - Gameplay - Blueprint - Mar 27, 2015When a component written in code has it's category setting changed in blueprint the rest of the details for that component will not be editable once the component is deselected and reselected. ...
[CrashReport] Assertion failed: OLEReferenceCount == 0 in UE4Editor_SlateRHIRenderer!FSlateRHIRenderer::DrawWindows_Private()
UE - Editor - UI Systems - Slate - Aug 22, 2017This is a regular and longstanding crash in 4.17 that has occurred since at least 4.14. Users have not provided any descriptions of their actions when the crash occurred. There has been some previo ...
[MetaSounds] - Trigger inputs called by Execute Trigger Parameter refire on MetaSounds that become active after virtualization
UE - Audio - MetaSounds - Aug 31, 2023If trigger execute is called in Blueprint, it will fire every time the sound recovers from being virtual, even if it has not been called again. See video example: [Link Removed] Also occurs in Re ...
OnSmartLinkReached Event Not Firing in PIE
UE - AI - Sep 20, 2016The OnSmartLinkReached event is not firing in PIE. This is a regression. In 4.12.5 the event fires as expected. Found in 4.13.0 CL 3106830 Reproduced in 4.14 Main CL 3129233. ...
Client crash on seamless travel in DataReplication with lag
UE - Networking - Jan 11, 2016When server traveling, client may crash due to lag while attempting to replicate object/property. ...
If Pause Event is played in second half of Fixed Frame Interval, you can't resume playing
UE - Anim - Sequencer - Jun 13, 2017If Pause Event is played in second half of Fixed Frame Interval, you can't resume playing. Pause event appears to fire again when trying to resume playback. To expand on the summary, if you have a ...
"Reference space" when exporting LevelSequences with "Override Instance Data"
UE - Anim - Sequencer - May 15, 2024When exporting a Cinematic Camera as FBX and importing it back, all transforms and Camera view are shifted. This happens when in Level Sequence Actor has the property "Transform Origin Actor" set to ...
Cross-Compiling for Linux-ARM fails to compile
Tools - Aug 11, 2015Following the directions on the wiki for cross compiling on Linux ([Link Removed]) fails when trying to package the project. ...
Setting meta data to custom MetaData class does not save after restarting editor
OLD - Anim - Apr 8, 2016When setting a custom meta data class in an Animation Montage, the class set is not saved when the editor is closed / reopened. ...