unreal crashes after compiling or launching UE5.1

Development Platform & Builds Debugging, Optimization, & Profiling
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1

Fatal error: [File:D:\build++UE5\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\UObjectGlobals.cpp] [Line: 3176]
Objects have the same fully qualified name but different paths.
New Object: IndicatorWidgetInterface /Script/LyraGame.Default__IndicatorWidgetInterface
Existing Object: IndicatorWidgetInterface /Script/LyraGame.Default__IndicatorWidgetInterface

0x00007ffc68cf4775 UnrealEditor-CoreUObject.dll!UnknownFunction []
0x00007ffc689e012e UnrealEditor-CoreUObject.dll!UnknownFunction []
0x00007ffc68cff7ff UnrealEditor-CoreUObject.dll!UnknownFunction []
0x00007ffc68ce3e91 UnrealEditor-CoreUObject.dll!UnknownFunction []
0x00007ffc68baf0c5 UnrealEditor-CoreUObject.dll!UnknownFunction []
0x00007ffc6955656a UnrealEditor-Core.dll!UnknownFunction []
0x00007ffc6956d665 UnrealEditor-Core.dll!UnknownFunction []
0x00007ffcaf16d434 UnrealEditor-Projects.dll!UnknownFunction []
0x00007ffcaf1833e4 UnrealEditor-Projects.dll!UnknownFunction []
0x00007ffcaf16f013 UnrealEditor-Projects.dll!UnknownFunction []
0x00007ffcaf16e729 UnrealEditor-Projects.dll!UnknownFunction []
0x00007ffc339eba30 UnrealEditor-GameFeatures.dll!UnknownFunction []
0x00007ffc339ed0b3 UnrealEditor-GameFeatures.dll!UnknownFunction []
0x00007ffc339e6a96 UnrealEditor-GameFeatures.dll!UnknownFunction []
0x00007ffc339ecbd4 UnrealEditor-GameFeatures.dll!UnknownFunction []
0x00007ffc339ed0b3 UnrealEditor-GameFeatures.dll!UnknownFunction []
0x00007ffc339e6a96 UnrealEditor-GameFeatures.dll!UnknownFunction []
0x00007ffc339c8fa6 UnrealEditor-GameFeatures.dll!UnknownFunction []
0x00007ffc339d9b0b UnrealEditor-GameFeatures.dll!UnknownFunction []
0x00007ffc339da07b UnrealEditor-GameFeatures.dll!UnknownFunction []
0x00007ffc339d4b31 UnrealEditor-GameFeatures.dll!UnknownFunction []
0x00007ffc204edafc UnrealEditor-LyraGame-0046.dll!ULyraGameFeaturePolicy::InitGameFeatureManager() [B:\Game Stuff\MYgameCurrent Project\MYgame\Source\LyraGame\GameFeatures\LyraGameFeaturePolicy.cpp:40]
0x00007ffc339db505 UnrealEditor-GameFeatures.dll!UnknownFunction []
0x00007ffc339cda62 UnrealEditor-GameFeatures.dll!UnknownFunction []
0x00007ffc577c4ce9 UnrealEditor-Engine.dll!UnknownFunction []
0x00007ffc57e17a7a UnrealEditor-Engine.dll!UnknownFunction []
0x00007ffc205bd301 UnrealEditor-LyraGame-0046.dll!ULyraAssetManager::StartInitialLoading() [B:\Game Stuff\MYgameCurrent Project\MYgame\Source\LyraGame\System\LyraAssetManager.cpp:111]
0x00007ffc595a04ed UnrealEditor-Engine.dll!UnknownFunction []
0x00007ffc55c35e2e UnrealEditor-UnrealEd.dll!UnknownFunction []
0x00007ffc595955d0 UnrealEditor-Engine.dll!UnknownFunction []
0x00007ffc55c32e8a UnrealEditor-UnrealEd.dll!UnknownFunction []
0x00007ffc55c32429 UnrealEditor-UnrealEd.dll!UnknownFunction []
0x00007ffc5669dbd0 UnrealEditor-UnrealEd.dll!UnknownFunction []
0x00007ff78c2f288c UnrealEditor.exe!UnknownFunction []
0x00007ffc56677294 UnrealEditor-UnrealEd.dll!UnknownFunction []
0x00007ff78c31277c UnrealEditor.exe!UnknownFunction []
0x00007ff78c31296a UnrealEditor.exe!UnknownFunction []
0x00007ff78c315680 UnrealEditor.exe!UnknownFunction []
0x00007ff78c3271b4 UnrealEditor.exe!UnknownFunction []
0x00007ff78c32a516 UnrealEditor.exe!UnknownFunction []
0x00007ffcd47e74b4 KERNEL32.DLL!UnknownFunction []
0x00007ffcd66226a1 ntdll.dll!UnknownFunction []

2

i also get this message

.
Assertion failed: !FindSlateStyle(SlateStyleName) [File:D:\build++UE5\Sync\Engine\Source\Runtime\SlateCore\Private\Styling\SlateStyleRegistry.cpp] [Line: 21]

UnrealEditor_SlateCore
UnrealEditor_LyraEditor_6807!FGameEditorStyle::Initialize() [B:\MY Game Stuff\MYGAMECurrent Project\MYGAME\Source\LyraEditor\Private\GameEditorStyle.cpp:23]
UnrealEditor_LyraEditor_6807!FLyraEditorModule::StartupModule() [B:\MY Game Stuff\MYGAMECurrent Project\MYGAME\Source\LyraEditor\LyraEditor.cpp:277]
UnrealEditor_Core
UnrealEditor_Core
UnrealEditor_HotReload
UnrealEditor_HotReload
UnrealEditor_HotReload
UnrealEditor_HotReload
UnrealEditor_HotReload
UnrealEditor_HotReload
UnrealEditor_GameProjectGeneration
UnrealEditor_GameProjectGeneration
UnrealEditor_GameProjectGeneration
UnrealEditor_GameProjectGeneration
UnrealEditor_AppFramework
UnrealEditor_AppFramework
UnrealEditor_Slate
UnrealEditor_Slate
UnrealEditor_Slate
UnrealEditor_Slate
UnrealEditor_Slate
UnrealEditor_Slate
UnrealEditor_Slate
UnrealEditor_ApplicationCore
UnrealEditor_ApplicationCore
UnrealEditor_ApplicationCore
UnrealEditor_ApplicationCore
user32
user32
InkObj
atlthunk
user32
user32
UnrealEditor_ApplicationCore
UnrealEditor
UnrealEditor
UnrealEditor
UnrealEditor
UnrealEditor
UnrealEditor
kernel32
ntdll