Unreal Engine Issues
Unreal Engine Issues
The engine crashes when adding a new brush at newly created level by a specific way.
UE - LD & Modeling - Modeling Tools - Mesh Editing - Jun 17, 2019issuesFBSPOps::csgAddOperation returns null if BuilderBrush has no valid polys.The creating level on content browser never calls "UEditorEngine::InitBuilderBrush(NewWorld);". But "New level" button o ...
Editor Crashes When Attempting to Maximize Standalone Window While a Startup Movie is Playing
Tools - Jun 2, 2017The editor is crashing when clicking the Maximize button on a standalone window when a startup movie is playing. ...
Static Mesh Only enabled Foliage Actor causes serialization error in packaged game
UE - World Creation - Worldbuilding Tools - Nov 24, 2023The crash can be worked around by modifying FFoliageISMActor::Serialize as following code : void FFoliageISMActor::Serialize(FArchive& Ar) { #if WITH_EDITORONLY_DATA if (!Ar.IsCooking()) // ...
Crash sometimes occurs when enabling the Gravity tool on part of a Sketchfab object.
TM - Tools - May 4, 2024Current state Triggering Gravity on element from Sketchfab object's tree, may result in crash. For 100% reproduction rate, download 'Rank 3 Police Unit' object and apply Gravity to its element 'Rank ...
WP crash entering PIE when unsaved non-editor actors are referenced through a editor-only property
UE - World Creation - Worldbuilding Tools - World Partition - Nov 15, 2024From licensee: A simple example is setup in the project, the relevant part is just this code: UCLASS(meta = (BlueprintSpawnableComponent)) class TESTBUGEDITORONLYEDITOR_API UEditorOnlyComponent : ...
Crash upon clearing Sequence Record settings in C++ with the window open
UE - Anim - Sequencer - Feb 10, 2017Resetting the Sequence Record settings in C++ while the Sequence Recorder Window is open causes the editor to crash Regression?: No This also occurs in 4.13 ...
[CrashReport] UE4Editor-D3D12RHI!D3D12RHI::VerifyD3D12Result(long,char const *,char const *,unsigned int,ID3D12Device *,FString)
UE - Rendering Architecture - RHI - Aug 30, 2021Generated from CrashReporter ...
Editor crashes when setting return value pin to object variable in widget blueprint
UE - Gameplay - Blueprint - Apr 9, 2015Editor crashes when attempting to set an object variable to a return value within widget blueprints. Frequency: 2/2 Crashreporter: [Link Removed] ...
Adding a new component to a parent class breaks child Blueprints
UE - Gameplay - Blueprint - Apr 16, 2021See UDN(308147): [Link Removed] ...
Crash in AWorldDataLayers::InitializeDataLayerRuntimeStates() when quickly unloading then loading a sub-world partition
UE - World Creation - Worldbuilding Tools - Data Layers - Mar 6, 2025From licensee: Since we integrated 5.5, we are experiencing a crash in AWorldDataLayers::InitializeDataLayerRuntimeStates() on this line check(ActiveDataLayerNames.IsEmpty() && LoadedDataLayerN ...