Unreal Engine Issues
Unreal Engine Issues
[CrashReport] Fatal error: Couldn't find shader - FMaterial::GetShader()
UE - Graphics Features - Jul 20, 2017This is a common crash affecting users in 4.16. User DescriptionsTried to edit the VivePreController Meshtried to edit SM_Skysphere after shaders had finished compiling. For no other reason than th ...
[CrashReport] UE4Editor_Renderer!FMaterialShader::VerifyExpressionAndShaderMaps() [shaderbaseclasses.cpp:148]
UE - Graphics Features - Jun 14, 2017This is a common crash occurring in the 4.16 release. It is spread out across many different CrashGroups with slight variations in Callstack. Additional information is not available at this time. ...
PATH not passed to NMake script when building Android from Visual Studio
UE - Core - Cpp Tools - UnrealBuildTool - Jan 25, 2023After upgrading from UE5.0.3 to UE5.1, we started seeing this error when trying to build Android Development from Visual Studio (VS2022 17.2.1): Running UnrealBuildTool: dotnet "..\..\Engine\Binari ...
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] Assertion failed: !bRequireNormalization - UE4Editor_Landscape!ULandscapeComponent::ReplaceLayer()
UE - LD & Modeling - Terrain - Landscape - Jul 19, 2017This is a common crash affecting users in 4.16, and has occurred since at least 4.14. Over 200 unique users have been affected, though they have provided little information. User DescriptionsI am a ...
Null FPhysicsActorHandle dereference in FBodyInstance::InitDynamicProperties_AssumesLocked when CreateShapes_AssumesLocked fails during async body init
UE - Runtime - Simulation - Aug 2, 2026Summary When CreateShapes_AssumesLocked fails during async body creation, the failed FBodyInstance is left in Bodies[] with a released actor handle. InitDynamicProperties_AssumesLocked is then called ...
[CrashReport] UE4Editor-MetalRHI.dylib!FMetalRenderPipelineDesc::CreatePipelineStateForBoundShaderState()
UE - Graphics Features - Jun 29, 2017This is a common crash affecting Mac users in the 4.16 release. Mark.S: "one of the visualisation shaders is setting up bogus render state" Callstack from LogLogActorFactory: Actor Factory create ...
[CrashReport] Crash on FMaterialEditor::OnCanPromoteToParameter()
UE - Rendering - Architecture - Materials - Jun 22, 2017This 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 during shader compilation when r.Shaders.Optimize=0
UE - Rendering - Architecture - Shaders - Mar 11, 2024The primary shader crashing is "FVisualizeLumenSceneCS" which I've put in the callstack section, but I think this is more likely a binding problem as I'm also see the following crash with cloud shad ...
[CrashReport] Assertion failed: !bIsReentrant - UE4Editor-UnrealEd.dylib!SaveWorld()
UE - Platform - Apple - Jul 27, 2017This is a common crash on Mac in 4.16 and has occurred since at least 4.14. User DescriptionsI added a character to a blank map and tried to save it. Callstack from LogLogEditorViewport: Clicking ...