Unreal Engine Issues
Unreal Engine Issues
Adding a New Blackboard Key While Searching for a Blackboard Key Causes the Editor to Crash
UE - AI - Nov 12, 2015When you use the search bar located under the New Key button in a Blackboard asset, if you attempt to press New Key while you have text in the search field, the editor will crash after you select th ...
[CrashReport] UE4Editor_Kismet!SBlueprintEditorSelectedDebugObjectWidget::GenerateDebugObjectNames() [sblueprinteditorselecteddebugobjectwidget.cpp:454]
UE - Gameplay - Blueprint - Dec 9, 2016This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Error message: Access violation - code c0000005 (first/second chance not available) Source C ...
Crash when Importing .OBJ using the File > Import into Level Option
UE - Editor - Content Pipeline - Import and Export - Sep 6, 2016This JIRA is being entered as a result of it being one of the top crashes in 4.13.0. Error message: Access violation - code c0000005 (first/second chance not available) Source Context: 1671 ...
Failed Import Error Message Appears on Components in Child Blueprints
UE - Gameplay - Components - Dec 2, 2015Creating a C++ class based on actor and adding components to it will build successfully and work as expected. However, creating two child blueprints of a parent that is based on that C++ class and p ...
[CrashReport] Crash related to launching Tutorials - UE4Editor_Core!FText::FText()
Tools - Jul 5, 2017This is a common crash occurring in the 4.16.2 release. Records indicate this has also occurred in 4.16.0 and 4.16.1, but with less apparent frequency. User DescriptionsJust downloaded, clicking ...
FAnimationRuntime::BlendPosesPerBoneFilter() causes an assertive crash when Skeletal Mesh LOD is changed
UE - Runtime - Animation - Nov 1, 2023The crash occurs from "check(BoneBlendWeights.Num() == NumBones);" This crash occurs when the following conditions are met;The skeletal mesh LOD is changed.The number of bones is difference between ...
Paper2D: Editor hangs when assigning Sprite Atlas Group to Sprite
UE - Gameplay - Paper2D - Dec 16, 2025In UE 5.3 and later, assigning a Sprite Atlas Group to a UPaperSprite asset can cause the editor to hang and eventually crash. This behavior has been reproduced in 5.3, 5.6, and a recent UE5-main so ...
Starter Content Blueprint_Effect_Explosion Root Componet In Invalid State
UE - Content - Feature Pack - Sep 22, 2023The Blueprint_Effect_Explosion Actor's Root Component in the Starter Content is in some form of invalid state. It reports to have a scale of (1.0, 1.0, 1.0) in the details panel but further behaviou ...
Virtual texture thumbnails appears brighter (incorrect sRGB/gamma) in content browser after asset is loaded
UE - Editor - Dec 9, 2025This is a regression, it worked correctly up to UE 5.5 but behaves incorrectly in UE 5.6 up to latest. When a regular texture with sRGB enabled is converted to a virtual texture, its thumbnail in t ...
Landscape Tool crashes on Layer Import
UE - LD & Modeling - Terrain - Landscape - Mar 12, 2020The heightmap and weightmaps were created using Terresculptor, and exported in the correct format. If you import everything except the layermaps, the landscape is generated and the layers can be pai ...