[CrashReport] UE4Editor-Renderer.dylib!FSceneRenderTargets::GetGBufferResourcesUniformBuffer()

UE - Graphics Features - Jul 20, 2017

This is a common crash affecting Mac users on 4.15 and 4.16 User Descriptionswhen i activate the blur effect of chameleon plugin. From LogAssertion failed: Assertion failed: IsValidRef(GBufferReso ...

[AI] Navmesh does not generate correctly on a plane that has a slope of 45 degrees or more.

UE - AI - Navigation - Sep 23, 2022

Navmesh generation appears to have issues handling terrain and planes that are at 45 degree or steeper angles even if the agent max slope is set to allow for such movement. While the issue occurs at ...

Editor mode tabs can get corrupted in the layout

UE - Editor - Workflow Systems - Apr 2, 2024

This can happen with any mode. What actually happens is, when closing the Editor, the Editor saves its layout before closing the active Editor Mode, which leads the editor to think the tabs are sti ...

[CrashReport] <unknown module>!UE4Editor_Core!FDebug::AssertFailed()

UE - Foundation - Core - Mar 28, 2016

Error message: Assertion failed: (Index >= 0) & (Index < ArrayNum) [Link Removed] [Line: 678] Array index out of bounds: 0 from an array of size 0 Source Context: 80 } 81 else ...

[CrashReport] UE4Editor_Engine!UMaterialInstance::SetParentInternal() [materialinstance.cpp:2141]

UE - LD & Modeling - Terrain - Landscape - Aug 18, 2016

This JIRA is being entered as a result of this being one of the top crashes in 4.13 Preview 2 Error message: Access violation - code c0000005 (first/second chance not available) Source Context: 2 ...

Crash on loading some MovementAnimSetPro Blendspaces

OLD - Anim - Dec 21, 2016

Error message: Assertion failed: TrianglesMade==2 [Link Removed] [Line: 373] Source Context: 360 { 361 FTriangle NewTriangle(A->Vertices[1],A->Vertices[2], TestPt); 362 ...

Editing an array config property via ProjectSettings can end up editing other platform config properties.

UE - CoreTech - May 27, 2024

Platforms .ini config files can end up with incorrect data, due to how ProjectSettings manages the config data. On a Windows machine, if we open the ProjectSettings window, all the data is going to ...

Editor crash while saving asset during cook operation

UE - Foundation - Data Pipeline - Cooker - Apr 2, 2025

It is possible to experience an editor crash in 5.5.4 when the cook process generates a warning that references an asset while the editor is saving. It seems that during a save operation, the code t ...

[CrashReport] Crash Occurs When Deleting All Content From a First Person Project

Tools - Aug 23, 2016

Error message: Access violation - code c0000005 (first/second chance not available) Source Context: 103 /***********************/ 104 /******** Outer ********/ 105 /****** ...

[CrashReport] UE4Editor_CoreUObject!HandlePlaceholderScriptRef() [class.cpp:1416]

UE - Gameplay - Blueprint - Nov 10, 2016

This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Error message: Access violation - code c0000005 (first/second chance not available) Source C ...