Crash when renaming a component to same name as a deleted inherited component.

UE - Gameplay - Blueprint - Oct 24, 2019

Fatal error "UE_LOG(LogObj, Fatal,TEXT("Renaming an object (%s) on top of an existing object (%s) is not allowed"), *GetFullName(), *ExistingObject->GetFullName());" is hit in UObject::Rename.  ...

Crash undoing in Montage editor with no montage sections

OLD - Anim - May 22, 2017

Crash occur in the animation montage editor when the user does an undo action with no montage sections. ...

Cannot Set Visibility for a 3D widget component that is applied to Screen space

UE - Editor - UI Systems - May 5, 2015

User Can hide a 3D widget component that is in world space. However, if they use a widget component that has been switched to Screen space this is no longer possible. List of ways that do not work ...

Destruction mesh with Crumble Smallest and Impact near another will leave residual mesh visible

UE - Simulation - Physics - Destruction - Jan 28, 2015

When using a DM that has Crumble Smallest and Impact damage enabled there will be instances where the residual mesh before fracture is left behind. What appears to happen is there is a force large e ...

Steam Overlay does not show in Win64 Shipping builds when run outside of Steam

UE - Networking - Nov 11, 2015

Steam Overlay does not show in Win64 Shipping builds when run outside of Steam. The Steam client can be running, but unless the .exe is opened through Steam itself, the Overlay will not appear. Note ...

[CrashReport] UE4Editor_Engine!UTextureRenderTarget::GameThread_GetRenderTargetResource() [texturerendertarget.cpp:44]

UE - Editor - UI Systems - Jul 21, 2017

This is a common crash that has been affecting users since at least 4.15. This may be the same issue as [Link Removed], which was closed due to inactivity User Descriptionsloading a level Source ...

Instanced Static Mesh components update incorrectly in Standalone and Packaged game

UE - Gameplay - Aug 11, 2017

Instanced Static Mesh components update incorrectly in Standalone and Packaged game. When hit, all of the instanced static mesh components will snap to a singular location instead of each individual ...

[CrashReport] FindWindowByHWND | IsCursorDirectlyOverSlateWindow

Tools - Nov 21, 2017

This is a common crash in the 4.18 release. Users have not provided any descriptions of their actions when the crash occurred. The callstack shares some similarities to [Link Removed] Source Conte ...

[CrashReport] UE4Editor_Core!TArray<wchar_t,FDefaultAllocator>::operator=() [array.h:396]

Tools - Nov 21, 2017

This is a common crash coming out of the 4.18 release. Users have not provided any descriptions of their actions when the crash occurred. The callstack seems to be the same as [Link Removed], which ...

Importing specific Alembic geometry cache fails

UE - Editor - Content Pipeline - Import and Export - Oct 3, 2018

According to Licensee this problem seems to be caused by the time to sample the data. By changing the time to frame number, the import seems to be successful. \Engine\Plugins\Experimental\AlembicI ...