Unreal Engine Issues
Unreal Engine Issues
Gameplay Debugger Won't Open When Using US International Keyboard Settings
UE - Gameplay - Input - Nov 23, 2015Using a keyboard with US International settings prevents the gameplay debugger from being opened when using the apostrophe key. Potentially a similar issue to [Link Removed]. Found in 4.10 binary. ...
Data validation FAILED due to IWBE_Blutility containing invalid data
UE - Content - Engine - Jan 11, 20214.26[AssetLog] D:\Binary\UE_4.26\Engine\Content\Tutorial\InWorldBlueprintEditing\TutorialAssets\IWBE_Blutility.uasset: Default__IWBE_Blutility_C is not valid. See the MapCheck log messages for detai ...
Keep World option for Attach / Detach to / from Component does not replicate properly to clients
UE - Networking - Aug 23, 2018Using Attach To Component and Detach From Component with the Keep World option for the Location/Rotation/Scale rules does not replicate properly to clients. This does work when using AttachToActor a ...
Assets on paths with speed parameters are sped up in Path Tracer exports
TM - Rendering - Jul 18, 2025Reported in SF [Link Removed] In Path Tracer renders, all paths with a speed component (vehicles, bicycles, custom) will render at an increased speed than specified in the exported render. This is ...
Using Blend Physics Weight causes skeletal mesh to spin at high speed
OLD - Anim - Mar 5, 2015When Phyics Blend in the PHAT editor is set between 0 and 1, the user character will spin wildly. User has image of this affecting character in game whereas I was only able to replicate it in the PH ...
[CrashReport] UE4Editor_Engine!TArray<unsigned int,TAlignedHeapAllocator<0> >::BulkSerialize() [array.h:1173]
OLD - Anim - Mar 19, 2018Comments from users in crash group:I was loading my project which i have made a copy from previous version of the engine (4.18).4.19 preview crashed while opening my project on 90% ...
Ensure triggers when undoing change to newly created variable
UE - Gameplay - Blueprint - Sep 28, 2018Ensure will trigger when undo reverts text to default value. "This triggers an ensure because the undo ends up calling SKismetInspector::ShowDetailsForObjects(), which forces the keyboard focus to ...
Mutable references MetaHumans heads directly, but DNA Assets are private
UE - Anim - Mutable - Sep 18, 2025When we switched our project to 5.6.1 This error appeared on build. The compilation of the Mutable assets in the editor is not reporting any issue. ...
Combo box does not function in packaged build
UE - Editor - UI Systems - May 10, 2017The ComboBox (string) element for UMG is not correctly displaying, The array options do not appear and can not be selected, for the packaged build, while PIE behaves as expected. Regression: This ...
Imported Materials Are Not Assigned To Correct Element Index Based Off Mat ID (3dsMax)
UE - Editor - Content Pipeline - Import and Export - Nov 17, 2016When importing a mesh with material IDs from 3dsMax they will get assigned to different element numbers than intended. This worked 4.13.2 Binary CL 3172292 Is Broken in 4.14 Binary CL 3195953 ...