In the MAC system, after the unreal engine is installed on the external hard disk, the engine will crash as soon as it is opened. The solution only needs to format the external hard disk into Apple format in the Mac, and then it can start normally
Repair process:
MacminiM2 16G拆机，外接移动硬盘成功安装虚幻4和5，并用UE5顺利打包MacOS版本的游戏~完整踩坑攻克过程~哈迪斯居然240帧！Mac游戏性能体验_单机游戏热门视频?
The crash log is as follows：
LoginId:ee88c603e447c96d313b899828ba3b05
EpicAccountId:93fa77118aa14447b30087e0dc8df460
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 = 0x2db340ad0 (filename not found) [in UnrealEditor-WebMMedia.dylib]
Unknown() Address = 0x1a7095ec4 (filename not found) [in libsystem_c.dylib]
Unknown() Address = 0x1a7095c4c (filename not found) [in libsystem_c.dylib]
_Py_PyAtExit Address = 0x2e94ea59c (filename not found) [in libpython3.9.dylib]
fatal_error Address = 0x2e94ea3f8 (filename not found) [in libpython3.9.dylib]
Py_ExitStatusException Address = 0x2e94ea360 (filename not found) [in libpython3.9.dylib]
Py_Initialize Address = 0x2e9430208 (filename not found) [in libpython3.9.dylib]
FPythonScriptPlugin::InitializePython() Address = 0x2e9a68bf0 (filename not found) [in UnrealEditor-PythonScriptPlugin.dylib]
FPythonScriptPlugin::StartupModule() Address = 0x2e9a68668 (filename not found) [in UnrealEditor-PythonScriptPlugin.dylib]
FModuleManager::LoadModuleWithFailureReason(FName, EModuleLoadResult&, ELoadModuleFlags) Address = 0x105ca5e64 (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 = 0x10270acc8 (filename not found) [in UnrealEditor-Projects.dylib]
FPluginManager::TryLoadModulesForPlugin(FPlugin const&, ELoadingPhase::Type) const Address = 0x10272a5a4 (filename not found) [in UnrealEditor-Projects.dylib]
FPluginManager::LoadModulesForEnabledPlugins(ELoadingPhase::Type) Address = 0x10272d240 (filename not found) [in UnrealEditor-Projects.dylib]
FEngineLoop::LoadStartupModules() Address = 0x1020eb9dc (filename not found) [in UnrealEditor]
FEngineLoop::PreInitPostStartupScreen(char16_t const*) Address = 0x1020e6f60 (filename not found) [in UnrealEditor]
GuardedMain(char16_t const*) Address = 0x1020d4744 (filename not found) [in UnrealEditor]
-[UEAppDelegate runGameThread:] Address = 0x1020efcd0 (filename not found) [in UnrealEditor]
-[FCocoaGameThread main] Address = 0x105b313e8 (filename not found) [in UnrealEditor-Core.dylib]
Unknown() Address = 0x1a822754c (filename not found) [in Foundation]
Unknown() Address = 0x1a71d7fa8 (filename not found) [in libsystem_pthread.dylib]
Unknown() Address = 0x1a71d2da0 (filename not found) [in libsystem_pthread.dylib]