MacOS Crash

Hi,

I just installed UE 5.2.1 for MacOS on my MacBook Air M1 2020 and I installed it on an external Samsung SSD as Im low on space on my Mac SSD and when I come to launch it keeps crashing with the following error. Any help would be greatly appriciated. Thanks!

Assertion failed: !GIsRHIInitialized || !GRHISupportsRHIThread [File:Runtime/RenderCore/Public/RHIStaticStates.h] [Line: 100]

TStaticStateRHI<TStaticDepthStencilState<false, (ECompareFunction)7, false, (ECompareFunction)7, (EStencilOp)0, (EStencilOp)0, (EStencilOp)0, false, (ECompareFunction)7, (EStencilOp)0, (EStencilOp)0, (EStencilOp)0, (unsigned char)255, (unsigned char)255>, TRefCountPtr, FRHIDepthStencilState*>::FStaticStateResource::~FStaticStateResource() Address = 0x2c750e8a4 (filename not found) [in UnrealEditor-AvfMedia.dylib]
Unknown() Address = 0x1a8351ec4 (filename not found) [in libsystem_c.dylib]
Unknown() Address = 0x1a8351c4c (filename not found) [in libsystem_c.dylib]
_Py_PyAtExit Address = 0x2d4a0259c (filename not found) [in libpython3.9.dylib]
fatal_error Address = 0x2d4a023f8 (filename not found) [in libpython3.9.dylib]
Py_ExitStatusException Address = 0x2d4a02360 (filename not found) [in libpython3.9.dylib]
Py_Initialize Address = 0x2d4948208 (filename not found) [in libpython3.9.dylib]
FPythonScriptPlugin::InitializePython() Address = 0x2d4f80bf0 (filename not found) [in UnrealEditor-PythonScriptPlugin.dylib]
FPythonScriptPlugin::StartupModule() Address = 0x2d4f80668 (filename not found) [in UnrealEditor-PythonScriptPlugin.dylib]
FModuleManager::LoadModuleWithFailureReason(FName, EModuleLoadResult&, ELoadModuleFlags) Address = 0x105fe9e5c (filename not found) [in UnrealEditor-Core.dylib]
FModuleDescriptor::LoadModulesForPhase(ELoadingPhase::Type, TArray<FModuleDescriptor, TSizedDefaultAllocator<32>> const&, TMap<FName, EModuleLoadResult, FDefaultSetAllocator, TDefaultMapHashableKeyFuncs<FName, EModuleLoadResult, false>>&) Address = 0x102a4ecc8 (filename not found) [in UnrealEditor-Projects.dylib]
FPluginManager::TryLoadModulesForPlugin(FPlugin const&, ELoadingPhase::Type) const Address = 0x102a6e5a4 (filename not found) [in UnrealEditor-Projects.dylib]
FPluginManager::LoadModulesForEnabledPlugins(ELoadingPhase::Type) Address = 0x102a71240 (filename not found) [in UnrealEditor-Projects.dylib]
FEngineLoop::LoadStartupModules() Address = 0x10242f9dc (filename not found) [in UnrealEditor]
FEngineLoop::PreInitPostStartupScreen(char16_t const*) Address = 0x10242af60 (filename not found) [in UnrealEditor]
GuardedMain(char16_t const*) Address = 0x102418744 (filename not found) [in UnrealEditor]
-[UEAppDelegate runGameThread:] Address = 0x102433cd0 (filename not found) [in UnrealEditor]
-[FCocoaGameThread main] Address = 0x105e753d8 (filename not found) [in UnrealEditor-Core.dylib]
Unknown() Address = 0x1a94e354c (filename not found) [in Foundation]
Unknown() Address = 0x1a8493fa8 (filename not found) [in libsystem_pthread.dylib]
Unknown() Address = 0x1a848eda0 (filename not found) [in libsystem_pthread.dylib]

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