Pulling down a large number of achievements causes the game to crash

UE - Platform - Mobile - Jul 27, 2015

When attempting to download a large number of achievements for an Android app the application will crash with a error indicating the JNI local reference count buffer has been exceeded. Project Link ...

Editor crashes when copying a copied instance of a blueprint in the level.

UE - Gameplay - Blueprint - Aug 9, 2016

Editor is crashing when copying a copied instance of a blueprint in the level. We were unable to reproduce this issue adding a component to the blueprint through the blueprint editor. This issue on ...

Calling GEngine->Browse from an RPC implementation causes a crash

UE - Networking - Nov 5, 2019

The engine is not resilient to calling Browse from within an RPC implementation, and likely not resilient to other ways of destroying the net driver within RPCs/OnReps. It's not something we need to ...

Application is crashing on the HTC One when UMG is used in the project

UE - Platform - Mobile - Jan 26, 2015

If you include UMG in your project and deploy to an HTC One, the project will crash on the device. Tested this on multiple devices (Galaxy S5, HTC One, NVIDIA Sheild tablet) Monitor logs are atta ...

Crash after generating HLODs for approximated meshes that have all triangles culled

UE - World Creation - Worldbuilding Tools - HLOD - Apr 26, 2023

The crash occurs when FWorldPartitionHLODUtilities::BuildHLOD attempts to build an approximated mesh that has all of its contents culled during generation, this can happen when an approximated mesh ...

App crashes when executing 'Export to Disk' node on Android

UE - Platform - Mobile - Aug 11, 2020

Regression is unconfirmed ...

GPU crash when using RVT BaseColor/Normal/Roughness format

UE - Rendering Architecture - May 24, 2023

When using an RVT with BaseColor/Normal/Roughness format on DX12 with a GPU that supports Tier2, a GPU crash may be seen. ...

Get Blackboard Value with null input causes crash

UE - Gameplay - Blueprint - Jan 6, 2015

Getting a blackboard value as actor and setting an actor to that on tick causes crash. The real issue here is that you can use a function in BP (in this case `UBTFunctionLibrary::GetBlackboardValue ...

Compile on load crashes for classes within an abstract class

UE - Gameplay - Blueprint Compiler - Feb 20, 2021

When compiling on load in -game, a blueprint class that inherits from a native class that is marked within and the class that it is within is abstract, a crash will occur when FBlueprintCompilationM ...

Compiling a grandchild Blueprint via automated test can lead to crash

UE - Gameplay - Blueprint Compiler - Feb 10, 2020

The crash doesn't happen if the blueprints are loaded ahead of the test by opening them, or if you compile all of them in the same test run. ...