Unreal Engine Issues
Unreal Engine Issues
[CrashReport] Assertion failed: IsValid() - UE4Editor_SlateCore!FWeakWidgetPath::GetLastWidget()
UE - Editor - UI Systems - Slate - Jun 22, 2017This is a common crash occurring among users in the 4.16 release. Users have not provided any descriptions when they crash, so additional information is not currently available. log file attache ...
[CrashReport] UE4Editor_DestructibleMeshEditor!UDestructibleChunkParamsProxy::PostEditChangeProperty() [destructiblechunkparamsproxy.cpp:18]
UE - Simulation - Physics - Destruction - Sep 14, 2017This is a somewhat common crash occurring for users in 4.17 User Descriptionsdeleted something Source Context 7 UDestructibleChunkParamsProxy::UDestructibleChunkParamsProxy(const FObjectI ...
[CrashReport] UE4Editor_Landscape!ALandscapeProxy::GetLandscapeInfo() [landscape.cpp:785]
UE - LD & Modeling - Terrain - Landscape - Jul 13, 2017This is a common crash affecting users in the 4.16 release. Users have not provided any descriptions. Source Context 775 { 776 ULandscapeInfo* LandscapeInfo = nullptr; 777 ...
Crash when spawning actor with no viewport initialized
UE - Editor - Nov 22, 2023If an attempt to spawn an actor is made before the Level Editor Viewport is fully initialized (i.e. before it has had a chance to get rendered at least once), and that actor has no specific Factory ...
Modeling Mode Vertex Paint Color values are incorrect
UE - Graphics Tools - Modeling Tools - Nov 12, 2024There is a mismatch in between the input and output value of vertex colors painted using the "Modeling Mode" vertex painting tool. The example in the licensee's case is that if they wanted a 0.25f v ...
[CrashReport] Assertion on Mac in FCocoaRunLoopSource
UE - Platform - Apple - Jun 14, 2017This is a common crash among Mac users in 4.16. It is spread out among many separate CrashGroups, with slight variations in Callstack. Some Example CrashGroups [Link Removed] [Link Removed] [Link ...
AdditionalPluginDirectories/RemappedPlugins doesn't work for packaged/zenstore build when plugin directory is relative and outside of project directory
UE - Core - Systems - Mar 14, 2024Originated from UDN post:https://udn.unrealengine.com/s/question/0D5QP000007QWuz0AG/additionalplugindirectories-outside-of-project-visual-studio-and-zenstore QUOTE: TLDR: Use of 'escape' paths in U ...
[CrashReport] UE4Editor_UnrealEd!UEditorEngine::CheckForWorldGCLeaks()
UE - Foundation - Core - UObject - Jun 29, 2017This is a common crash occurring for users in 4.16. It is spread out among around 60 different CrashGroups in CrashReporter, because every case has a slightly different callstack. This appears to ...
Preview Scene - Lighting angle changes between Profiles
UE - Graphics Features - Aug 25, 2020When previewing an object, the lighting angles change between profiles; the lighting position at '0' will also change when the Lighting Rig Rotation is set to another value, then back to 0 again. ...
Crash when attempting to change the parent of a material instance constant through editor scripting
UE - Rendering - Architecture - Materials - Apr 9, 2025The built-in class "UMaterialEditingLibrary" provides various editor scripting functions related to creating and editing materials and material instances. One of these functions, UMaterialEditingLib ...