Unreal Engine Issues
Unreal Engine Issues
[CrashReport] UE4Editor_DetailCustomizations!FBrushDetails::OnClassPicked() [brushdetails.cpp:306]
Tools - Nov 10, 2017This is a trending crash coming out of the 4.18 release. Users have not provided any descriptions of their actions when the crash occurred. Source Context296 // make sure the brushes are re ...
Rebuild and Clean options in Visual Studio fails compile
UE - Foundation - Build - Farm - Oct 20, 2016Attempting to use Rebuild / Clean fails to compile. VS output shown in callstack. ...
[CrashReport] UE4Editor_Engine!FAnimCurveBase::SetCurveTypeFlag() [animcurvetypes.cpp:18]
OLD - Anim - Jun 13, 2016This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Descriptions from users are provided below. Error message: Access violation - code c0000005 ( ...
CRASH: OS X frequently freezes when working with blueprints
UE - Platform - Apple - Dec 2, 2014User complains of frequent crashes when using blueprints and has provided repro steps for one incident that tends to cause a crash. While we are not able to reproduce the issue here, the customer ha ...
[CrashReport] UE4Editor_UnrealEd!FAssetEditorManager::OpenEditorForAsset() [asseteditormanager.cpp:293]
Tools - Jan 5, 2018Comment from user:In UE4 standard Mannequin, swapped between skeleton tab and animation tab (after having deleted a single animation) - and it crashed. ...
StartCameraFade() breaks on mobile projects after editor is closed/reopened
UE - Platform - Mobile - Oct 6, 2015If a project that is set to Mobile/Tablet and Scalable 3D or 2D uses StartCameraFade() to produce a fade in effect, the effect will not play in PIE if the editor is closed/reopened. ...
[CrashReport] UE4Editor_Engine!UBlendSpaceBase::UpdatePreviewBasePose() [blendspacebase.cpp:1220]
OLD - Anim - May 11, 2017This crash has been logged due to high frequency among our users. I have tested in 4.15.2 based on the user comments below, but have been unable to reproduce this issue. In my attempts the Blendspa ...
Memory Leak When Raytracing Enabled with Specific Rendering Settings
UE - Graphics Features - Ray Tracing - Apr 8, 2025When a shipping build is packaged using specific rendering settings a memory leak can be observed. The licensee has noted that this leak presents as a 10MB per hour increase in RAM usage. It has a ...
[CrashReport] UE4Editor_Kismet!FBlueprintGraphArgumentLayout::OnArgNameChange()
UE - Gameplay - Blueprint Editor - Jul 19, 2017This is a common crash affecting users in 4.16 and has been occurring since at least 4.14 affecting more than 300 unique users. User Descriptionsi made a macro called IsolateYaw and set the input t ...
Crash diffing an AnimBP with a node deleted from a State Machine Transition
UE - Gameplay - Blueprint - Mar 10, 2017Error message: Assertion failed: false [Link Removed] [Line: 1123] Looking for node K2Node_AnimGetter_327 but it cannot be found in provided panels Source Context: 1108 } 1109 111 ...