Unreal Engine Issues

[CrashReport] Mac crash - UE4Editor-Slate.dylib!SMenuAnchor::SetIsOpen()

This is a common and longstanding Mac crash that has occurred since at least 4.11 and affected more than 40 users. Users have not provided any descriptions of their actions when the crash occurred ...

Navigation crashing on PIE in absence of NavOctree

Access violation - code c0000005 (first/second chance not available) UE4Editor_Engine!UNavMeshRenderingComponent::GatherData() + 18874 bytes [e:\downloads\unrealengine-4.7\unrealengine-4.7\engine\s ...

Failure packaging for Android with Configure for deployment to Daydream enabled

Found on: 4.15 Binary CL-3247232 Unable to package for android when Configure for deployment to Daydream is selected. (Packaging without it enabled succeeds even with the same other settings, but c ...

[CrashReport] UE4Editor_CoreUObject!PackageReloadInternal::LoadReplacementPackage() [packagereload.cpp:274]

No user comments in crash group 262 UPackage* LoadReplacementPackage(UPackage* InExistingPackage, const uint32 InLoadFlags) 263 { 264 if (!InExistingPackage) 265 ...

Rect Light Texture does not unload during level streaming in packaged game

[CrashReport] Crash on FMaterialEditor::OnCanPromoteToParameter()

This is a common crash in the 4.16 release (affecting Windows and Mac). A log file is attached. Users have not provided descriptions so additional information is not currently available. Windows C ...

Crash launching UE4Editor.exe from cmd.exe with -dx12 argument

My Nvidia driver is our current approved driver: 378.49 ...

Shader compiler errors when using enclosed local variables in a material while ray tracing is enabled

A licensee is seeing an issue with a couple of post process materials after enabling ray tracing. While the materials presenting the issue fail to compile for different reasons, they both refernce t ...

[CrashReport] Crash CheckForWorldGCLeaks() - EditorDestroyWorld()

This is a somewhat common but longstanding Mac crash that has affected users since at least 4.13. Recently in 4.17.1, the crashes are all occurring in various ARKit projects User DescriptionsI add ...

Using Blueprint Interface functions that take other Interfaces as parameters can cause the Editor to crash in PIE mode.

If a Blueprint Interface function takes other Interfaces as parameters, and a circular dependency is present, the Editor will crash when the interface is called. CRASH REPORT: [Link Removed] CALLS ...