Fatal error occuring

Ghumman.385 · September 4, 2022, 8:12am

THIS ERRORS OCCURS:
Fatal error: [File:D:\build++UE5\Sync\Engine\Source\Runtime\RenderCore\Private\ShaderCore.cpp] [Line: 974] Couldn’t find source file of virtual shader path ‘/Engine/Private/Lumen/LumenTranslucencyRadianceCacheMarkShaders.usf’

UnrealEditor_RenderCore!BuildShaderFileToUniformBufferMap() [D:\build++UE5\Sync\Engine\Source\Runtime\RenderCore\Private\ShaderCore.cpp:1360]
UnrealEditor_RenderCore!InitializeShaderTypes() [D:\build++UE5\Sync\Engine\Source\Runtime\RenderCore\Private\ShaderCore.cpp:1403]
UnrealEditor!FEngineLoop::PreInitPreStartupScreen() [D:\build++UE5\Sync\Engine\Source\Runtime\Launch\Private\LaunchEngineLoop.cpp:2877]
UnrealEditor!GuardedMain() [D:\build++UE5\Sync\Engine\Source\Runtime\Launch\Private\Launch.cpp:137]
UnrealEditor!GuardedMainWrapper() [D:\build++UE5\Sync\Engine\Source\Runtime\Launch\Private\Windows\LaunchWindows.cpp:147]
UnrealEditor!LaunchWindowsStartup() [D:\build++UE5\Sync\Engine\Source\Runtime\Launch\Private\Windows\LaunchWindows.cpp:283]
UnrealEditor!WinMain() [D:\build++UE5\Sync\Engine\Source\Runtime\Launch\Private\Windows\LaunchWindows.cpp:330]
UnrealEditor!__scrt_common_main_seh() [d:\a01_work\6\s\src\vctools\crt\vcstartup\src\startup\exe_common.inl:288]
kernel32
ntdll

Al-Baron18 · February 14, 2023, 5:24pm

How to repair this errors.

Slumsnake · March 6, 2024, 4:07pm

You can fix that in Epic Launcher. Open Library tab and chose your version of engine (in that case - 5.0) after that right click on it and chose “Verify” option. Just wait when process finish and try to launch engine again.