Save on Compile "On Success Only" Does not save on Successful Compiles with Warnings

UE - Gameplay - Blueprint - Aug 6, 2015

The option to save on Compile "On Success Only" does not save on successful compiles that contain warnings. If this is intended, then to avoid confusion, the tool tip should specifiy that "Blueprin ...

Reimporting a static mesh will cause some values to be reset back to defaults

Tools - Jul 5, 2017

Reimporting a static mesh will cause some Static Mesh Editor values to be reset back to defaults. This was reported as JIRA UE-22205 back in 4.10 and was marked fix in 4.12. However, I wasn't able ...

"ensureAsRuntimeWarning condition failed" when running Snapshot Pose with no assigned skeletal mesh

UE - Gameplay - Blueprint - Jul 7, 2017

ensureAsRuntimeWarning occurs when the user use Snapshot Pose with a skeletal mesh component that doesn't have a skeletal mesh assigned to it:LogScript: Error: E:\Release\Engine\Source\Runtime\Engin ...

[CrashReport] UArrayProperty::DestroyValueInternal

UE - Gameplay - Blueprint - Sep 14, 2017

This is a somewhat common crash that has affected multiple users in 4.17. User Descriptionstried to compile a blueprint after changing blueprint interface function definitions. Source Code 121 ...

In -game in Editor, if streaming-in a LevelInstance and initialize its world partition, then leaving that cell and make it go outside the streaming grid, to re-enter it again, will trigger a check(!StreamingPolicy) if no GC has happened during that time.

UE - World Creation - Worldbuilding Tools - World Partition - Jan 27, 2025

This crash can be fixed by adding a couple of || IsRunningGame() like it is done here:    FGenerateStreamingContext Context = FGenerateStreamingContext()        .SetLevelPackagesToGenerate((bIsPIE ...

No way to unregister BB observer as a response to being notified about BB key change

UE - AI - Mar 3, 2015

Currently when a BB observer gets notified about BB key change there is not way to tell the BB component to unregister said observer. The function called on observers should return a value indicati ...

[CrashReport] UE4Editor_DestructibleMeshEditor!UDestructibleChunkParamsProxy::PostEditChangeProperty() [destructiblechunkparamsproxy.cpp:18]

UE - Simulation - Physics - Destruction - Sep 14, 2017

This is a somewhat common crash occurring for users in 4.17 User Descriptionsdeleted something Source Context 7 UDestructibleChunkParamsProxy::UDestructibleChunkParamsProxy(const FObjectI ...

[CrashReport] UE4Editor_D3D11RHI!FD3D11DynamicRHI::RHISetShaderResourceViewParameter() [d3d11commands.cpp:512]

UE - Graphics Features - Mar 27, 2018

No user comments in crash group 500 void FD3D11DynamicRHI::RHISetShaderResourceViewParameter(FVertexShaderRHIParamRef VertexShaderRHI,uint32 TextureIndex,FShaderResourceViewRHIParamRef SRVRHI ...

Client Ensure FShaderMapResource_SharedCode::ReleaseRHI is still referenced on exit/shutdown

UE - Niagara - Rendering - May 7, 2024

Very rarely, the game client will crash on shutdown and the log will contain messages that look like: LogOutputDevice: Error: Ensure condition failed: false [File:Engine\Source\Runtime\RenderCore\ ...

[CrashReport] UE4Editor_CoreUObject!UPackage::Save() [savepackage.cpp:4597]

UE - Gameplay - Blueprint Compiler - Jul 14, 2017

This is a common crash affecting users in 4.16. Users have not provided additional information. Source Context// Set the parent index, ifthis export represents a UStruct-derived object 4589 ...