Unreal Engine Issues
Unreal Engine Issues
This project crashes when opening most maps after converting to 4.7 Preview 5
UE - Gameplay - Blueprint - Feb 4, 2015This project crashes when opening most maps after converting to 4.7 Preview 5. Also crashes after converting to 4.8 Main (tested in //depot/UE4/Promotable-CL-2429371). Crash log attached. Crash R ...
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 ...
Crash when opening level that uses foliage with a deleted mesh
UE - World Creation - Worldbuilding Tools - Foliage - May 31, 2017This report was logged due to a high volume of submitted crash reports. It occurs when opening a level where a deleted mesh as being used as foliage. This is a regression. The crash does not occu ...
Crash copying a Static Meshes primitive collision member and pasting it on another element
Tools - Jul 24, 2017Crash copying a Static Meshes primitive collision member and pasting it on another element. The pasted element seems to need at least 2 members for the crash to occur. User description: Editor Cr ...
Regression: Crash when saving the level blueprint of a world-partition map containing any node with an unconnected input pin of type "Gameplay Attribute Structure"
UE - Gameplay - Gameplay Ability System - Feb 19, 2025In UE 5.5, when the user attempts to save the level blueprint of a world-partition map, the Editor crashes if the BP contains any node with an input pin of type "Gameplay Attribute Structure", as lo ...
Crash on play when AIPerception Senses Config element is set to "sense config" options
UE - AI - Sep 18, 2015Setting AIPerception component Senses Config to AI Damage / AI Prediction / AI Team sense config will cause the editor to crash on Play. This may be related to [Link Removed] Crash Reporter [Link ...
Crash when running "MAP REBUILD ALLVISIBLE" with hidden sublevels and then changing maps
UE - World Creation - Worldbuilding Tools - Sep 1, 2025Running the MAP REBUILD ALLVISIBLE editor command when the current map contains hidden sublevels causes a crash upon changing maps. The issue seems to be related to hidden sublevels being cleared in ...
[CrashReport] Crash opening project on network drive - VCRUNTIME140!<Unknown>
UE - Networking - Aug 5, 2016This JIRA is being entered as a result of it being one of the top crashes in 4.13 Preview 1 Error message: Access violation - code c0000005 (first/second chance not available) Source Context:219 ...
Crash in editor after disabling AISystem in Worldsettings
UE - AI - May 16, 2018After disabling the World Option bEnableAISystem, clicking with the right mouse button on the asset browers (in an empty place) casues the editor to crash. ...
Editor crash when adding to Instanced Static Mesh Component is created/populated at runtime.
Tools - Sep 26, 2017If NewObject is used to create an instanced static mesh component at runtime, populating the component with AddInstance causes the editor to crash. Regression: Yes - repro steps provided did not cr ...