Unreal Engine Issues
Unreal Engine Issues
Editor Crashes on Opening After Deriving C++ Class from Another Class
UE - Foundation - Cpp Tools - Hot Reload - Sep 13, 2017After deriving a C++ class from another class and then closing the editor, the project will crash when reopened. This crash will continue until the project files are regenerated and the project is r ...
Enabling "Include app-local prerequisites" does not work - Causes errors or warnings
UE - Foundation - Core - Jan 25, 2018Enabling the "Include app-local prerequisites" causes errors or warnings to appear when packaging. 4.17 error:Packaging (Windows (64-bit)): Program.Main: ERROR: AutomationTool terminated with exce ...
If use Remove Unused Bones from Skeleton, PoseAsset of the skeleton will be broken
UE - Anim - Runtime - Jul 10, 2019If user execute "Remove Unused Bones from Skeleton" on Skeleton where PoseAsset exists, the index held in FPoseData :: TrackToBufferIndex in PoseAsset will not be corrected, and it will refer to the ...
ARKit portrait image aspect ratio incorrect on iPhone 6s,7, probably all phones.
UE - Platform - XR - Nov 29, 2017As described in this UDN thread, the iPhone 7 manifests incorrect image aspect ratiohttps://udn.unrealengine.com/questions/403841/ios-arkit-portrait-mode-stretching-on-iphone-7.html [Link Removed] ...
Crash opening Child/Grandchild Blueprint after updating to 4.18
UE - Gameplay - Blueprint - Nov 29, 2017From this UDN: https://answers.unrealengine.com/questions/718928/4180-editor-crash-while-opening-child-blueprint.html Crash occurs when opening child (or in the repro case, grandchild) blueprints a ...
[CrashReport] UE4Editor_AnimGraph!FCSPose<FCompactHeapPose>::GetComponentSpaceTransform() [bonepose.h:533]
UE - Anim - Rigging - Nov 2, 2017This is a trending crash coming out of the 4.18 release and may be a regression. Users have not provided any details about their actions when the crash occurred. Source Context 528 template ...
Using the Editor in Fullscreen mode on Linux causes it to freeze and occasionally lock up the computer
UE - Platform - Linux - May 29, 2019Using the Editor in Fullscreen mode on Linux causes it to freeze and occasionally lock up the computer. This freeze causes the various symptoms described in the Results field. In 4.21.2 (CL-4753647) ...
Disconnecting root node in behavior tree editor has no effect
UE - AI - BehaviorTree - Aug 27, 2020I was testing some behavior tree content and wanted to temporarily disable a behavior tree entirely. So, I disconnected the root node from the selector node below it and expected that to disable the ...
Incremental Cooks: Add dependencies on files loaded during Load/Save of the package
UE - Core - Data Pipeline - Cooker - Oct 19, 2022Iterative and Incremental cooking are supposed to recook packages when their "inputs" change. Most of the time inputs are the package file itself and the other package files on which it has dependen ...
Mesh Space Additive behave differently for non-animated bones and extra bones on a target skeleton
UE - Runtime - Animation - Dec 6, 2023Typically, non-animated bones behave the same way as extra bones on a target skeleton. However, it appears that this isn't the case for mesh space additive sequences. When a bone is present on th ...