Unreal Engine Issues
Unreal Engine Issues
Editing an array config property via ProjectSettings can end up editing other platform config properties.
UE - CoreTech - May 27, 2024Platforms .ini config files can end up with incorrect data, due to how ProjectSettings manages the config data. On a Windows machine, if we open the ProjectSettings window, all the data is going to ...
[CrashReport] Crash Occurs When Deleting All Content From a First Person Project
Tools - Aug 23, 2016Error message: Access violation - code c0000005 (first/second chance not available) Source Context: 103 /***********************/ 104 /******** Outer ********/ 105 /****** ...
[CrashReport] UE4Editor_CoreUObject!HandlePlaceholderScriptRef() [class.cpp:1416]
UE - Gameplay - Blueprint - Nov 10, 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 ...
[CrashReport] UE4Editor_MovieSceneCapture!FormatForEDL() [moviescenecapturehelpers.cpp:216]
UE - Anim - Sequencer - Jul 6, 2017This is a common crash affecting users in 4.16. User Descriptionsrender a sequence to a video file or image sequence Source Context 205 void FormatForEDL(FString& OutputString, const FStri ...
Python function unreal.AssetRegistry.get_assets_by_class is broken
UE - CoreTech - Nov 21, 2022Repro Rate: 3/3 This issue was reproduced in //UE5/Release-5.1 at CL 23058290. This is confirmed to be a regression since the errors do not occur on the previous version and is regression tested o ...
Calling FHttpResponsePtr::GetContentLength() from OnRequestProgress delegate returns different values on Mac/iOS than Windows
Tools - Nov 9, 2016Licensee was looking for a way to get total file size to display download progress. On Windows (which uses the curl library for Http request/response), binding a function to the OnRequestProgress d ...
[CrashReport] UE4Editor_Engine!FModelSceneProxy::HasSelectedSurfaces() [modelrender.cpp:538]
UE - LD & Modeling - Modeling Tools - BSP - Sep 21, 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: Assertion failed: (Index >= 0) & ( ...
Force Delete of Referenced SpeedTree Instance causes Crash
UE - Graphics Features - Nov 10, 2016This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Error message: Assertion failed: IsValid() [Link Removed] [Line: 780] Source Context: 1873 ...
[CrashReport] Assertion failed: !PinRef->bWasTrashed | UEdGraphPin::SerializePin()
UE - Gameplay - Blueprint - Aug 29, 2017This is a common and longstanding crash that has occurred since at least 4.15 and affected nearly 500 users. The CrashGroup was previously linked to [Link Removed], but that had specific repro step ...
Duplicating SkeletalMesh in packaged game causes crash
UE - Graphics Features - Nanite - Mar 11, 2025This code worked until UE5.4. NaniteResource added in 5.5 causes this issue. ...