Unreal Engine Issues
Unreal Engine Issues
[Sound Cue][Open World] - Crash when creating a Sound cue from an Ambient Sound actor on an Open World map
UE - World Creation - Worldbuilding Tools - OFPA - Apr 18, 2022When trying to recreate an issue that resulted in [Link Removed], I came across this call stack. Regression testing done in //UE4/Release-4.27.2 CL-18427296 and this issue did NOT happen. ...
Crash on debugging a minimized Blueprint (access violation in SWatchTreeWidgetItem)
UE - Gameplay - Blueprint Editor - Mar 27, 2019Debugging a blueprint with a breakpoint while the Blueprint Editor window is minimized causes the editor to crash. Tested in 4.21.2 (CL - 4753647), 4.22 (CL - 5531554), 4.23 (CL - 5586947) ...
Crash when deleting mesh instances of a HISM component
UE - World Creation - Worldbuilding Tools - Foliage - Apr 24, 2019When trying to delete an existing (and saved) mesh instance from a Hierarchical Instanced Static Mesh component the Editor crashes due to a failed assertion, however clearing all instances does not ...
Pasting nodes into level blueprint crashes editor
UE - Gameplay - Blueprint - Jun 13, 2017Crash creating local variable in ABP function
OLD - Anim - Dec 5, 2019Creating a local variable in an ABP function crashes ...
Linker exception opening project project after updating to 4.25.4
UE - Gameplay - Blueprint - Oct 27, 2020User has encountered an exception opening their project when they updated from 4.25.3 to 4.25.4. No repro, log or test project is given at the time. ...
Crash when editing Gameplay Effect containing a deleted/renamed Gameplay Attribute
UE - Gameplay - Gameplay Ability System - Mar 9, 2025When modifying the name of a gameplay attribute that is used with a modifier on a gameplay effect, attempting to remove/change the modifier causes an editor crash. This appears to be due to line 29 ...
Project fails to package nativized const reference parameter
UE - Gameplay - Nov 17, 2017Overriding a BlueprintNativeEvent function with a const reference parameter in blueprints causes the project to fail to package if the blueprint is nativized. Note: This only occurs if the function ...
Crash when using AActor::Rename to change the Outer of an actor to a SubLevel
Tools - Apr 6, 2018Using AActor::Rename to change the Outer of an actor to a SubLevel will cause the editor to crash when the AActor is shown in the World Outliner. Regression?: Yes This does not happen in 4.18 but ...
Exiting PIE after ejecting from pawn and opening a level sequence will crash the editor
UE - Editor - Workflow Systems - Oct 26, 2023Editor crashes after ejecting from pawn and opening a sequence when ending PIE ...