Execution Doesn't Resume When Hitting BT Task Breakpoint and Trying to Resume in the Behavior Tree

UE - AI - Oct 6, 2017

When a breakpoint is hit in a BT Task Blueprint, execution will not be resumed if you attempt to do so from the Behavior Tree that is running the BT Task. This will cause a crash if executed in the ...

[CrashReporter] UE4Editor-MeshBuilder!SkeletalMeshBuilderHelperNS::FixFaceMaterial(USkeletalMesh *,TArray<SkeletalMeshImportData::FMaterial,TSizedDefaultAllocator<32> > &,TArray<SkeletalMeshImportData::FMeshFace,TSizedDefaultAllocator<32> > &)

UE - Editor - Content Pipeline - Datasmith - Importer - Jan 6, 2020

Generated from CrashReporter Error message: Assertion failed: (Index >= 0) & (Index < ArrayNum) [File:D:\Build\++UE4\Sync\Engine\Source\Runtime\Core\Public\Containers/Array.h] [Line: 614] Array in ...

[CrashReport] UE4Editor_Engine!USkeleton::GetMeshLinkupIndex() [skeleton.cpp:420]

OLD - Anim - Jul 19, 2017

This is a common crash affecting users in 4.16, unfortunately they have not provided any additional information. Source Context 406 if ( IndexPtr == NULL ) 407 { 408 L ...

Possible to have a null AudioComponent in ApplySettings

UE - Audio - Mar 5, 2018

User is having issues where they are getting crashes in ApplyVoiceSettings. This should only ever be called from FVoiceEngineImpl::SubmitRemoteVoiceData. In that method, if no SynthComponent is av ...

[CrashReport] UE4Editor_Landscape!FLandscapeVertexFactoryVertexShaderParameters::SetMesh() [landscaperender.cpp:3137]

UE - LD & Modeling - Terrain - Landscape - Feb 27, 2018

No user comments in crash group 3127 if (SectionLodsParameter.IsBound()) 3128 { 3129 if (CurrentLODData.UseCombinedMeshBatch) 3130 { 3131 Set ...

[CrashReport] UE4Editor_MeshPaint!MeshPaintHelpers::FillVertexColors()

OLD - Anim - Jun 27, 2017

This is a common crash in the 4.16 release. Users have not provided any descriptions, so additional information is currently unavailable. Source Context 804 elseif (USkeletalMeshComponent ...

[CrashReport] UE4Editor_MaterialEditor!SMaterialLayersFunctionsInstanceTree::UpdateThumbnailMaterial() [smateriallayersfunctionstree.cpp:1128]

Tools - Feb 27, 2018

No user comments in crash group 1114 for (TSharedPtr<FStackSortedData> Group : AssetChild->Children) 1115 { 1116 if (Group->ParameterInfo.Association == InAssociation) ...

The packaged build of a project that has a strong pointer initialized to nullptr immediately closes on launch

UE - Foundation - Core - Aug 2, 2019

When a strong pointer is set to null the packaged build of the game will immediately close. No crash logs were were made and no Saved folder was made (<Project Name>/Saved/Logs). An example project ...

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 ...

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 ...