Unreal Engine Issues
Unreal Engine Issues
[CrashReport] UE4Editor_Engine!CropRawTrack() [animsequence.cpp:1798]
OLD - Anim - Dec 14, 2018Comment from user in crash groupTried to delete frames in an animation ...
PSO Creation hangs on task in Shipping build
UE - Rendering Architecture - RHI - Nov 27, 2023Running with `r.AsyncPipelineCompile=0` causes the issue not to happen. It fails to open about 4 times out of 5. No such problem in development build., it always succeeds. We noticed that if we de ...
FBoneContainer::MakeMeshPoseIndex crash (out-of-bounds array)
UE - Anim - Gameplay - Sep 25, 2024StreamableManager does not apply CoreRedirects to loaded paths
UE - Framework - Jun 12, 2025When loading soft object paths directly, it applies any important CoreRedirects by calling the function FixupCoreRedirects if the initial load attempt fails. In the repro steps, this will apply this ...
Attempting to open a certain blueprint (NewPickup) crashes project
UE - Gameplay - Blueprint - Jan 16, 2015Acquired a blueprint from a user cannot open it. It crashes project when opening the blueprint "NewPickup" ...
Mesh data will be deleted from Static Mesh if added as a Hierarchical Instanced Static Mesh Component through blueprint
UE - Gameplay - Aug 10, 2017Mesh data will be deleted from the Static Mesh if added as a Hierarchical Instanced Static Mesh Component through blueprint. All of the mesh data (actual geometry) and LODs will be deleted from the ...
[CrashReport] UE4Editor_InputCore!FKey::FKey()
UE - Editor - UI Systems - Slate - Nov 1, 2017This is a trending crash coming out of the 4.18 release. It may be a regression as there are no records of it occurring in 4.17. Users have not provided any descriptions of their actions when the c ...
[CrashReport] UE4Editor_ImageCore!CopyImage() [imagecore.cpp:144]
UE - Graphics Features - Mar 27, 2018No user comments on crash group 135 case ERawImageFormat::BGRA8: 136 { 137 const FColor* SrcColors = SrcImage.AsBGRA8(); 138 for (int32 TexelIndex = 0 ...
[CrashReport] FIntroTutorials::AnalyticsEventNameFromTutorial()
Tools - Jul 6, 2017This is a common crash that appears to have started in the 4.16.1 hotfix, but has occurred with more frequency in 4.16.2. User DescriptionsAfter the blueprint tutorial, I pressed "play", pressed ES ...
BP-implemented BT decorators end up thinking they're not on active branch
UE - AI - Mar 13, 2015This issue makes BP BT decorators not being able to run condition checking every tick. The core issue is here: bool UBTDecorator_BlueprintBase::GetShouldAbort(UBehaviorTreeComponent& OwnerComp) co ...