Crash occurs when a struct containing an instanced object property is used as the value for a TMap in a class that is subclassed in Blueprints

UE - Foundation - Core - Mar 23, 2017

Using a struct containing an instanced object property as the value for a TMap results in a crash if a Blueprint of the class containing the TMap is subclassed and the child Blueprint is opened the ...

Blackboard interaction crashes engine

UE - AI - May 15, 2015

User Description: "I'm trying to implement AI and following zoombapup's Guard AI YT tutorials. Whatever I do within Blackboard crashes the engine. Yes even a single click on Self key. Here's the dum ...

Crash when using AnimSeqStats console command

OLD - Anim - Apr 8, 2015

Crash when using AnimSeqStats console command. User in the additional info URL seems to know what the code change should be. [Link Removed] ...

Crash when attempting to deform a landscape when Paint Layer has not been used - Assertion failed: !TargetProxy->HasLayersContent() || !InCanUseEditingWeightmap || EditingLayerGUID.IsValid() [LandscapeEdit.cpp Line: 5252]

UE - LD & Modeling - Terrain - Landscape - Sep 9, 2020

The editor crashes when attempting to draw a weight blended texture to the landscape if it hasnt been used on that landscape yet. This crash can be completely avoided if the stone texture is painted ...

Editor crashes if opening a sublevel containing a navmesh when persistent level is open

UE - AI - Sep 8, 2015

If the persistent level is open and a user attempts to open a sublevel that contains a navmesh, the editor will freeze and then crash. Frequency: 3/3 Crashreporter: N/A ...

Editor crash when switching between levels in the content browser

Tools - Aug 26, 2015

Switch between levels in the content browser caused a crash while loading the level. Project On Google Drive: [Link Removed] ...

Crash When Selecting Actor in the World Outliner That is Using ColorGradingMode

Tools - Jun 2, 2017

When selecting an actor in the World Outliner that is using the ColorGradingMode specifier (ColorGradingMode = "saturation"), the editor crashes. This did not occur in 4.15.3. This is a regression ...

Engine crash from opening level bounds blueprint after project reopens

UE - Gameplay - Blueprint - Jun 2, 2017

There is a crash that is occurring when a blueprint with the parent of "Level Bounds". The crash occurs when the project is closed and reopened. Opening the blueprint immediately after it was create ...

Data Tables with 'ParticleSysParam' structs cause crash

UE - Niagara - Feb 4, 2019

Data Tables with 'Particle Sys Param' structs in them as variables will crash when opened. ...

Crash compiling a blueprint after changing a TMap value from Vector to Vector4

UE - Foundation - Core - UObject - Jun 29, 2020

REGRESSION: Issue does not occur in 4.24 Crash occurs when the user changes a blueprint TMap value from Vector to Vector4 and then compiles the blueprint. This seems to only occur with TMaps, as ...