# Unreal Engine Crash **URL:** \ **Category:** Issues and Bug Reporting\ **Tags:** unreal-engine, crash, editor\ **Created:** [November 23, 2024, 8:21pm UTC](https://forums.unrealengine.com/t/unreal-engine-crash/2147007 "2024-11-23T20:21:01Z")\ **Posts on this page:** 6\ **Page:** 1
**Author:** ![gaurav4930](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@gaurav4930](https://forums.unrealengine.com/u/gaurav4930)\ **Post date:** [November 23, 2024, 8:21pm UTC](https://forums.unrealengine.com/t/unreal-engine-crash/2147007/1 "2024-11-23T20:21:01Z")
When creating a new project or opening an existing project Unreal Engine 5 crashes (I mention below) But Unreal Engine 4 works fine my system Inter core i9 14KS 14 gen Nvidia Geforce RTX 4060 ti 16GB Ram 48GB I have tried uninstalling the launcher and engine and restarting all process I have tried to update the latest graphics driver I am using Nvidia studio’s latest driver LoginId:e4ee308c4b1742e128d2c6b9793943ad EpicAccountId:477ca958f4a84a9799fee7072721ae2f Fatal error: [File:D:\build++UE5\Sync\Engine\Source\Runtime\Engine\Private\ShaderCompiler\ShaderCompilerEditor.cpp] [Line: 601] 1 Shader compiler errors compiling GlobalShaders for platform PCD3D\_SM6. Enable ‘r.ShaderDevelopmentMode’ in ConsoleVariables.ini for retries. UnrealEditor\_Engine!UE::Logging::Private::FatalLogWithFields\,int const &,UE::Logging::Private::TLogFieldName\,FString &,UE::Logging::Private::TLogFieldName\,wchar\_t c() [D:\build++UE5\Sync\Engine\Source\Runtime\Core\Public\Logging\StructuredLog.h:440] UnrealEditor\_Engine!ProcessCompiledGlobalShaders() [D:\build++UE5\Sync\Engine\Source\Runtime\Engine\Private\ShaderCompiler\ShaderCompilerEditor.cpp:606] UnrealEditor\_Engine!FShaderCompilingManager::ProcessCompiledShaderMaps() [D:\build++UE5\Sync\Engine\Source\Runtime\Engine\Private\ShaderCompiler\ShaderCompiler.cpp:2170] UnrealEditor\_Engine!FShaderCompilingManager::FinishAllCompilation() [D:\build++UE5\Sync\Engine\Source\Runtime\Engine\Private\ShaderCompiler\ShaderCompiler.cpp:2623] UnrealEditor\_Engine!UMaterialInterface::PostLoadDefaultMaterials() [D:\build++UE5\Sync\Engine\Source\Runtime\Engine\Private\Materials\Material.cpp:729] UnrealEditor\_Engine!UMaterialInterface::PostLoad() [D:\build++UE5\Sync\Engine\Source\Runtime\Engine\Private\Materials\MaterialInterface.cpp:253] UnrealEditor\_Engine!UMaterial::PostLoad() [D:\build++UE5\Sync\Engine\Source\Runtime\Engine\Private\Materials\Material.cpp:4046] UnrealEditor\_CoreUObject!UObject::ConditionalPostLoad() [D:\build++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\Obj.cpp:1312] UnrealEditor\_CoreUObject!FAsyncPackage2::ExecuteDeferredPostLoadLinkerLoadPackageExports() [D:\build++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\Serialization\AsyncLoading2.cpp:6306] UnrealEditor\_CoreUObject!FAsyncPackage2::Event\_DeferredPostLoadExportBundle() [D:\build++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\Serialization\AsyncLoading2.cpp:7830] UnrealEditor\_CoreUObject!FEventLoadNode2::Execute() [D:\build++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\Serialization\AsyncLoading2.cpp:4960] UnrealEditor\_CoreUObject!FAsyncLoadEventQueue2::ExecuteSyncLoadEvents() [D:\build++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\Serialization\AsyncLoading2.cpp:5167] UnrealEditor\_CoreUObject!FAsyncLoadingThread2::ProcessLoadedPackagesFromGameThread() [D:\build++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\Serialization\AsyncLoading2.cpp:8169] UnrealEditor\_CoreUObject!FAsyncLoadingThread2::TickAsyncLoadingFromGameThread() [D:\build++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\Serialization\AsyncLoading2.cpp:8433] UnrealEditor\_CoreUObject!FAsyncLoadingThread2::FlushLoading() [D:\build++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\Serialization\AsyncLoading2.cpp:9917] UnrealEditor\_CoreUObject!FlushAsyncLoading() [D:\build++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\Serialization\AsyncPackageLoader.cpp:327] UnrealEditor\_CoreUObject!FlushAsyncLoading() [D:\build++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\Serialization\AsyncPackageLoader.cpp:296] UnrealEditor\_CoreUObject!LoadPackageInternal() [D:\build++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\UObjectGlobals.cpp:1757] UnrealEditor\_CoreUObject!LoadPackage() [D:\build++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\UObjectGlobals.cpp:2121] UnrealEditor\_CoreUObject!LoadPackage() [D:\build++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\UObjectGlobals.cpp:2097] UnrealEditor\_CoreUObject!ResolveName2() [D:\build++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\UObjectGlobals.cpp:1273] UnrealEditor\_CoreUObject!StaticLoadObjectInternal() [D:\build++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\UObjectGlobals.cpp:1398] UnrealEditor\_CoreUObject!StaticLoadObject() [D:\build++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\UObjectGlobals.cpp:1466] UnrealEditor\_Engine!ConstructorHelpersInternal::FindOrLoadObject() [D:\build++UE5\Sync\Engine\Source\Runtime\CoreUObject\Public\UObject\ConstructorHelpers.h:39] UnrealEditor\_Engine!ConstructorHelpers::FObjectFinder::FObjectFinder() [D:\build++UE5\Sync\Engine\Source\Runtime\CoreUObject\Public\UObject\ConstructorHelpers.h:90] UnrealEditor\_Engine!UPlanarReflectionComponent::UPlanarReflectionComponent() [D:\build++UE5\Sync\Engine\Source\Runtime\Engine\Private\Components\SceneCaptureComponent.cpp:1139] UnrealEditor\_CoreUObject!UClass::CreateDefaultObject() [D:\build++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\Class.cpp:4882] UnrealEditor\_CoreUObject!UClass::InternalCreateDefaultObjectWrapper() [D:\build++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\Class.cpp:5492] UnrealEditor\_CoreUObject!FObjectInitializer::CreateDefaultSubobject() [D:\build++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\UObjectGlobals.cpp:5535] UnrealEditor\_CoreUObject!UObject::CreateDefaultSubobject() [D:\build++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\Obj.cpp:171] UnrealEditor\_Engine!APlanarReflection::APlanarReflection() [D:\build++UE5\Sync\Engine\Source\Runtime\Engine\Private\Components\SceneCaptureComponent.cpp:1027] UnrealEditor\_CoreUObject!UClass::CreateDefaultObject() [D:\build++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\Class.cpp:4882] UnrealEditor\_CoreUObject!UClass::InternalCreateDefaultObjectWrapper() [D:\build++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\Class.cpp:5492] UnrealEditor\_CoreUObject!UObjectLoadAllCompiledInDefaultProperties() [D:\build++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\UObjectBase.cpp:802] UnrealEditor\_CoreUObject!ProcessNewlyLoadedUObjects() [D:\build++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\UObjectBase.cpp:907] UnrealEditor!FEngineLoop::PreInitPostStartupScreen() [D:\build++UE5\Sync\Engine\Source\Runtime\Launch\Private\LaunchEngineLoop.cpp:3776] UnrealEditor!GuardedMain() [D:\build++UE5\Sync\Engine\Source\Runtime\Launch\Private\Launch.cpp:144] UnrealEditor!GuardedMainWrapper() [D:\build++UE5\Sync\Engine\Source\Runtime\Launch\Private\Windows\LaunchWindows.cpp:123] UnrealEditor!LaunchWindowsStartup() [D:\build++UE5\Sync\Engine\Source\Runtime\Launch\Private\Windows\LaunchWindows.cpp:277] UnrealEditor!WinMain() [D:\build++UE5\Sync\Engine\Source\Runtime\Launch\Private\Windows\LaunchWindows.cpp:317] UnrealEditor!\_\_scrt\_common\_main\_seh() [D:\a\_work\1\s\src\vctools\crt\vcstartup\src\startup\exe\_common.inl:288] kernel32 ntdll ---
**Author:** ![Jimbohalo10](https://d1ap1mz92jnks1.cloudfront.net/user_avatar/forums.unrealengine.com/jimbohalo10/32/961440_2.png) [@Jimbohalo10](https://forums.unrealengine.com/u/Jimbohalo10)\ **Post date:** [November 23, 2024, 9:54pm UTC](https://forums.unrealengine.com/t/unreal-engine-crash/2147007/2 "2024-11-23T21:54:33Z")
hi @gaurav4930 , The fix is same as UEFN 5.5 in the post [[Solved] How to fix Fatal Errors in UEFN related to Graphic Cards and Shaders and Derived Data problems - General / Issues and Bug Reporting - Epic Developer Community Forums](https://forums.unrealengine.com/t/solved-how-to-fix-fatal-errors-in-uefn-related-to-graphic-cards-and-shaders-and-derived-data-problems/2080832/2) ---
**Author:** ![gaurav4930](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@gaurav4930](https://forums.unrealengine.com/u/gaurav4930)\ **Post date:** [November 24, 2024, 6:56am UTC](https://forums.unrealengine.com/t/unreal-engine-crash/2147007/3 "2024-11-24T06:56:51Z")
@Jimbohalo10 hi there but I am using the Unreal engine for my game development it is required to install UnrealEditorFortnite in my case Unreal Engine 5 was crash but Unreal Engine 4 is work fine in same project ---
**Author:** ![Jimbohalo10](https://d1ap1mz92jnks1.cloudfront.net/user_avatar/forums.unrealengine.com/jimbohalo10/32/961440_2.png) [@Jimbohalo10](https://forums.unrealengine.com/u/Jimbohalo10)\ **Post date:** [November 24, 2024, 8:58am UTC](https://forums.unrealengine.com/t/unreal-engine-crash/2147007/4 "2024-11-24T08:58:25Z")
hi @gaurav4930 Unreal 4 does not know about DX12 and Shader SM6. UE5 uses DX12 and SM6 by default the way to turn these off is to use the command line switches The crash is due to SM6 and DX12 not being compatible with your drivers ---
**Author:** ![gaurav4930](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@gaurav4930](https://forums.unrealengine.com/u/gaurav4930)\ **Post date:** [November 26, 2024, 3:10pm UTC](https://forums.unrealengine.com/t/unreal-engine-crash/2147007/5 "2024-11-26T15:10:35Z")
hi @Jimbohalo10 so can you please help with how I can DX12 and SM6 turn off I am using window OS ---
**Author:** ![Jimbohalo10](https://d1ap1mz92jnks1.cloudfront.net/user_avatar/forums.unrealengine.com/jimbohalo10/32/961440_2.png) [@Jimbohalo10](https://forums.unrealengine.com/u/Jimbohalo10)\ **Post date:** [November 26, 2024, 7:19pm UTC](https://forums.unrealengine.com/t/unreal-engine-crash/2147007/6 "2024-11-26T19:19:09Z")
this is how [Solved] How to fix Fatal Errors in UEFN related to Graphic Cards and Shaders and Derived Data problems - General / Issues and Bug Reporting - Epic Developer Community Forums]([[Solved] How to fix Fatal Errors in UEFN related to Graphic Cards and Shaders and Derived Data problems - #2 by Jimbohalo10](https://forums.unrealengine.com/t/solved-how-to-fix-fatal-errors-in-uefn-related-to-graphic-cards-and-shaders-and-derived-data-problems/2080832/2))