Unreal Engine Issues
Unreal Engine Issues
Warnings Log spam when pasting a widget into any panel widget
UE - Editor - UI Systems - Jun 8, 2018An increasing amount of warning show up in the output log as a widget is pasted into a name space that is part of a widget that has been added to another widget via the user created section. Examp ...
Static Mesh cooking: Bad mesh description should not crash the cooker
UE - Graphics Tools - Modeling Tools - Mesh Editing - Aug 21, 2023FStaticMeshRenderData::Cache has the assertion: checkf(Owner->IsMeshDescriptionValid(0), TEXT("Bad MeshDescription on %s"), *GetPathNameSafe(Owner)); This assertion can be triggered by data erro ...
Changing a Media Player asset from Stream Mode: FromURL to From Memory crashes the editor
Tools - Dec 30, 2014Changing a Media Player asset from Stream Mode: FromURL to From Memory crashes the editor. In 4.8, the editor crashes immediately upon changing that value, with no crash report. In 4.6 and 4.7 Pre ...
Blueprint macro in a level blueprint causes memory leak
UE - Gameplay - Blueprint - Oct 15, 2019The level blueprint has a macro that references a level. FBlueprintNodeTemplateCache keeps holding this cashe at transition level. Unable to find source-code formatter for language: text. Available ...
[CrashReport] Mac assertion - FSourceCodeNavigationImpl::NavigateToFunctionSource()
UE - Platform - Apple - Sep 27, 2017This is a trending Mac crash coming out of the 4.18 Previews. Users have not provided any descriptions of their actions when the crash occurred. Callstack from LogLogMetal: Display: Loaded a text ...
Crash on LinkerLoad trying to load font on the render thread
Tools - Aug 5, 2016Assertion failed: FPlatformTLS::GetCurrentThreadId() == OwnerThread [Link Removed] [Line: 4641] Callstack: > UE4Editor-CoreUObject-Win64-Debug.dll!FLinkerLoad::Serialize(V, Length) Line 4641 C++ ...
GAS: Async loaded GameplayCueNotify can execute cue events out of order
UE - Gameplay - Gameplay Ability System - Mar 22, 2025Licensee reported problem via UDN. Context GameplayCues ('cue') are events that can be fired by game code, that are identified via a GameplayTag. Cues can be instantaneous or can be a state on any ...
Infinite Script Recursion error crashes editor and produces UnrealScript errors in logs
UE - Gameplay - Blueprint - Aug 14, 2015Macro that causes an infinite script recursion error crashes editor and produces errors in output log referring to UnrealScript. Frequency: 3/3 Crash Reporter; [Link Removed] ...
[CrashReport] UE4Editor-CoreUObject.dylib!UObject::Rename()
UE - Platform - Apple - Sep 14, 2017This is an infrequent Mac crash that has occurred for a few users in 4.17. Users have not provided any description of their actions when the crash occurred. The callstack has a few similarities to ...
Subcategories in Visual Logger do not Remember Open/Closed State
UE - AI - Aug 2, 2022Within the actor snapshot area, you can categorize information into different sub-trees, each of which are expandable. However as you scrub through the timeline and new events happen, any sub-catego ...