Unreal Engine Issues
Unreal Engine Issues
Crash w. 'Serialized Class LinkerPlaceholderExportObject for a property of BlueprintGeneratedClass'
UE - Gameplay - Blueprint - Sep 25, 2017I was attempting to repro [Link Removed]. I created a new Actor BP, placed it in the level, added a ref to it to the level BP (instead of the projectile approach in the repro), and tried to save my ...
[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 due to memory after opening the World Partition window with large objects
UE - World Creation - Worldbuilding Tools - World Partition - Dec 8, 2022Regression: Tested in UE5/Release-5.0, this issue does not occur so regression is yes. Reproducing this issue has a mixed reproduction rate. I have gotten the editor to crash when scaling the cube ...
Creating a Blueprintable Struct that contains a Tmap results in Editor Crash
Tools - Sep 6, 2019Any blueprint with a TArray of a struct containing a TMap crashes the editor when adding elements ...
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 ...
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 ...