Unreal Engine Issues

[CrashReport] Commandlet crash in UE4Editor_CoreUObject!UPackage::Save

This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Error message: Assertion failed: Pair != nullptr [Link Removed] [Line: 520] Source Context:4 ...

Procedural meshes spawned at runtime cause a crash

When using a procedural mesh at runtime, projects fail on mobile devices. Tested on both Android Nvidia Shield and iPhone 6+. ...

[CrashReport] Game mode crash in UE4Game_Win32_Shipping!TStaticStateRHI

This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Descriptions from users are provided below.Error message: Access violation - code c0000005 (fi ...

java.lang.UnsatisfiedLinkError crash on Xiaomi M4

This one is very odd; libUE4.so must not have loaded for some reason. Seems odd to only happen on one device. ...

Crash when selecting ResizeMode "Invalid" of ChangeComponentSize on LandScapeEditor.

check(0) is used in UpdateComponentCount () of LandscapeEditorObject.h. This looks like an intentional check, but there is a possibility that the user may mistakenly select it. ...

Inserting before a FSlateImageRun twice will cause crash

Editor crash when setting r.UniformBufferPooling to 0.

Crash when using world composition origin rebasing

Assertion failed: Pair != nullptr [Link Removed] [Line: 566] UE4Editor_Core!AssertFailedImplV() [e:\unrealeditorplaydead\engine\source\runtime\core\private\misc\assertionmacros.cpp:105] UE4Editor_C ...

Crash enabling Landscape Layers in editor with -Vulkan

The following fatal error occurs:[2019.07.19-19.41.13:425][975]LogWindows: Error: Fatal error: [File:E:/Workspaces/Main/Engine/Source/Runtime/RenderCore/Private/RenderingThread.cpp] [Line: 836] [2 ...

Crash in D3DX12Residency::Internal::RemoveEntryList when travelling level

The engine may touch freed memory at D3DX12Residency::Internal::RemoveEntryList. The memory release operation that is causing the problem is in FD3D12DynamicHeapAllocator::AllocUploadResource(). If ...