Unreal Engine Issues
Unreal Engine Issues
Struct crashes when switching variable types while the default values are being shown
Tools - Jan 11, 2016If the user switches between two variable types in a struct while the default values are being shown then the editor will crash ...
Saving a Slate Vector Art asset causes a crash
UE - Editor - UI Systems - Mar 17, 2022Saving a Slate Vector Art asset causes a crash. ...
Ensure undoing pin split - Found K2Node_CallFunction_429 ('K2Node_CallFunction') that does not belong to EventGraph.
UE - Gameplay - Blueprint Editor - Sep 15, 2017REGRESSION: Yes, does not occur in 4.17.2 Ensure occurs when undoing the splitting of a pin. ...
Enabling Skeletal Mesh 'Per Poly Collision' crashes the Editor
UE - Simulation - Physics - Aug 20, 2018When a Skeletal Mesh isn't assigned, enabling Per Poly Collision on the Skeletal Mesh Component causes the Editor to crash. This issue was reported and tested in 4.20.1 (CL-4233996). This issue was ...
Crash upon diffing Blueprint that was reparented when its previous parent has already been deleted
UE - Gameplay - Blueprint Editor - Sep 20, 2017When attempting to diff a Blueprint that has been reparented when the previous parent no longer exists in the editor, a crash occurs. The crash is due to the editor attempting to reference the delet ...
[AI] BehaviorTreeEditor crash when swapping from Behavior Tree to Blackboard view.
UE - AI - BehaviorTree - Aug 24, 2023The first time that a Behavior Tree editor window changes from the tree to the Blackboard can cause a crash if you add and remove a key from the Blackboard via a different Behavior Tree editor windo ...
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 ...
Crash on Build All Levels
UE - World Creation - Worldbuilding Tools - HLOD - Apr 7, 2022Crash on Build All Levels after a HLOD warning. EXCEPTION_ACCESS_VIOLATION reading address 0x00000000000000f0 ...
Editor crashes when right clicking a box collision after adding a converted static mesh in blueprint editor
UE - Gameplay - Blueprint - Sep 1, 2016I created a cylinder with a subtractive cylinder inside of it. I also used a box BSP with a subtractive box inside of it and got the crash to repro. I tried with a sphere BSP twice and didn't get ...
Editor crashes if Sequencer has keyframes for a variable that has changed
UE - Anim - Sequencer - Sep 19, 2018The Editor crashes if loaded sequence has keyframes for an actor variable that has been changed, instead of soft erroring out. This was reported and tested on 4.20.3 (CL-4369336). It was reproduced ...