Unreal Engine Issues
Unreal Engine Issues
Moving a saved duplicate of an OpenWorld level crashes the Editor
UE - World Creation - Worldbuilding Tools - Mar 19, 2025Moving a saved duplicate of an OpenWorld level crashes the Editor. The act of moving the duplicated OpenWorld level crashes the Editor the moment the engine tries to delete the original level, so it ...
Animation System relies on FindFunctionByName which is not thread safe.
OLD - Anim - Mar 29, 2017Currently, there are several places in FAnimInstanceProxy and FAnimNode_Base (and derived classes) that rely on FindFunctionByName in order to resolve transitions, evaluate pins, etc. This can happ ...
libfbxsdk Crash on importing FBX with Animation
Tools - Nov 4, 2015When importing the attached FBX file, the engine crashes the libfbxsdk module. The same FBX can import successfully into 4.9.2 with only bone errors listed in the Message Log. Crash Reporter Link: ...
Editor crash on Mac when closed after adding third party library plugin
UE - Platform - Apple - Apr 11, 2016After adding a third party plugin to a project and restarting as prompted, closing the editor again causes a crash. Crash Reporter Link: [Link Removed] Additional Note: This crash was encountered ...
[CrashReport] UE4Editor-CoreUObject!UNameProperty::ExportTextItem(FString &,void const *,void const *,UObject *,int,UObject *) [PropertyName.cpp:27]
Tools - Aug 30, 2019Generated from CrashReporter Comment from user:Opening de custom node in material editor crashes editor ...
Importing .glb file results in crash
UE - Editor - Content Pipeline - Import and Export - Nov 13, 2019When importing a .glb file from Blender, the editor crashes. The user has been able to import other .glb files, but ran into an issue with the one provided being unable to be imported. ...
FindTextInLocalizationTable can't find a translation when entries have the same values on both languages
UE - Editor - UI Systems - Localization - Sep 18, 2024FindTextInLocalizationTable can't find a translation to an entry when the translation is the same as the looked up key because FTextLocalizationManager::DisplayStringLookupTable don't keep entries t ...
GAS: GameplayCueNotify OnActive executed twice for Duration GEs on Standalone+ListenServer
UE - Gameplay - Gameplay Ability System - Aug 2, 2023When playing Standalone or as Listen Server, whenever a GameplayEffect with a duration is applied that fires gameplay cues, the server will locally execute OnActive twice on GameplayCueNotify_Actors ...
Engine Crashes when saving a project to disk space is full
UE - Foundation - Core - Feb 14, 2017I ran out of space in my D drive and my project autosaved and received the attached error message This is NOT a regression ...
Engine crash when Scene Capture Component 2D is added to viewport with forward rendering
UE - Graphics Features - Nov 26, 2016If forward shading is enabled and shadows are disabled, adding an actor with a SceneCaptureComponent2D and static mesh to the viewport will cause the editor to crash. Regression: Yes - this crash o ...