When launching our current project, Unreal Editor crashes with SIGSEV (stack trace at end of report). This is on a Mac Pro 2014. It may be related to another team member deleting a bunch of files from project last night.
SIGSEGV: invalid attempt to access memory at address 0x3
EngineCrashHandler(FGenericCrashContext const&) Address = 0x4cb37ef (filename not found) [in UE4Editor]
PlatformCrashHandler(int, __siginfo*, void*) Address = 0x4f775cf (filename not found) [in UE4Editor-Core.dylib]
_sigtramp() Address = 0x846895aa (filename not found) [in libsystem_platform.dylib]
FMsg::Logf(char const*, int, FName const&, ELogVerbosity::Type, wchar_t const*, ...) Address = 0x4fd5f37 (filename not found) [in UE4Editor-Core.dylib]
FDebug::AssertFailed(char const*, char const*, int, wchar_t const*, ...) Address = 0x4fd56ca (filename not found) [in UE4Editor-Core.dylib]
FArchive::SerializeCompressed(void*, long long, ECompressionFlags, bool) Address = 0x502b00b (filename not found) [in UE4Editor-Core.dylib]
FUntypedBulkData::SerializeBulkData(FArchive&, void*) Address = 0x55f8968 (filename not found) [in UE4Editor-CoreUObject.dylib]
FUntypedBulkData::MakeSureBulkDataIsLoaded() Address = 0x55f7bf7 (filename not found) [in UE4Editor-CoreUObject.dylib]
FUntypedBulkData::Lock(unsigned int) Address = 0x55f75d0 (filename not found) [in UE4Editor-CoreUObject.dylib]
FTextureSource::GetMipData(TArray<unsigned char, FDefaultAllocator>&, int) Address = 0x67d5784 (filename not found) [in UE4Editor-Engine.dylib]
FTextureCacheDerivedDataWorker::GetSourceMips(UTexture&, TArray<FImage, FDefaultAllocator>&, unsigned int, unsigned int) Address = 0x67f8692 (filename not found) [in UE4Editor-Engine.dylib]
FTextureCacheDerivedDataWorker::GetBuildInfo() Address = 0x67f6f2e (filename not found) [in UE4Editor-Engine.dylib]
FTexturePlatformData::FinishCache() Address = 0x67e5ec1 (filename not found) [in UE4Editor-Engine.dylib]
UTexture::FinishCachePlatformData() Address = 0x67d80f0 (filename not found) [in UE4Editor-Engine.dylib]
UTexture2D::PostLoad() Address = 0x67d8085 (filename not found) [in UE4Editor-Engine.dylib]
UObject::ConditionalPostLoad() Address = 0x56805df (filename not found) [in UE4Editor-CoreUObject.dylib]
EndLoad(wchar_t const*) Address = 0x570db03 (filename not found) [in UE4Editor-CoreUObject.dylib]
LoadPackage(UPackage*, wchar_t const*, unsigned int) Address = 0x570cbed (filename not found) [in UE4Editor-CoreUObject.dylib]
UEditorEngine::Map_Load(wchar_t const*, FOutputDevice&) Address = 0xabbe2fc (filename not found) [in UE4Editor-UnrealEd.dylib]
UEditorEngine::HandleMapCommand(wchar_t const*, FOutputDevice&, UWorld*) Address = 0xabd3b0b (filename not found) [in UE4Editor-UnrealEd.dylib]
UEditorEngine::Exec(UWorld*, wchar_t const*, FOutputDevice&) Address = 0xabd0d8c (filename not found) [in UE4Editor-UnrealEd.dylib]
UUnrealEdEngine::Exec(UWorld*, wchar_t const*, FOutputDevice&) Address = 0xaeaf62f (filename not found) [in UE4Editor-UnrealEd.dylib]
FEditorFileUtils::LoadMap(FString const&, bool, bool, bool) Address = 0xac43233 (filename not found) [in UE4Editor-UnrealEd.dylib]
FEditorFileUtils::LoadDefaultMapAtStartup() Address = 0xac48e07 (filename not found) [in UE4Editor-UnrealEd.dylib]
FUnrealEdMisc::OnInit() Address = 0xae9fa9a (filename not found) [in UE4Editor-UnrealEd.dylib]
EditorInit(IEngineLoop&) Address = 0xae96259 (filename not found) [in UE4Editor-UnrealEd.dylib]
GuardedMain(wchar_t const*) Address = 0x4cae232 (filename not found) [in UE4Editor]
-[UE4AppDelegate applicationDidFinishLaunching:] Address = 0x4cb4630 (filename not found) [in UE4Editor]
__CFNOTIFICATIONCENTER_IS_CALLING_OUT_TO_AN_OBSERVER__() Address = 0x8d65be0c (filename not found) [in CoreFoundation]
_CFXNotificationPost() Address = 0x8d54f82d (filename not found) [in CoreFoundation]
-[NSNotificationCenter postNotificationName:object:userInfo:] Address = 0x859e07ba (filename not found) [in Foundation]
-[NSApplication _postDidFinishNotification] Address = 0x89403b69 (filename not found) [in AppKit]
-[NSApplication _sendFinishLaunchingNotification] Address = 0x8940389c (filename not found) [in AppKit]
-[NSApplication(NSAppleEventHandling) _handleAEOpenEvent:] Address = 0x89400786 (filename not found) [in AppKit]
-[NSApplication(NSAppleEventHandling) _handleCoreEvent:withReplyEvent:] Address = 0x894001db (filename not found) [in AppKit]
-[NSAppleEventManager dispatchRawAppleEvent:withRawReply:handlerRefCon:] Address = 0x859fef0a (filename not found) [in Foundation]
_NSAppleEventManagerGenericHandler() Address = 0x859fed7d (filename not found) [in Foundation]
aeDispatchAppleEvent(AEDesc const*, AEDesc*, unsigned int, unsigned char*) Address = 0x864c3e1f (filename not found) [in AE]
dispatchEventAndSendReply(AEDesc const*, AEDesc*) Address = 0x864c3c32 (filename not found) [in AE]
aeProcessAppleEvent() Address = 0x864c3b36 (filename not found) [in AE]
AEProcessAppleEvent() Address = 0x8e9b2161 (filename not found) [in HIToolbox]
_DPSNextEvent() Address = 0x893fc0b6 (filename not found) [in AppKit]
-[NSApplication nextEventMatchingMask:untilDate:inMode:dequeue:] Address = 0x893fb89b (filename not found) [in AppKit]
-[NSApplication run] Address = 0x893ef99c (filename not found) [in AppKit]
NSApplicationMain() Address = 0x893da783 (filename not found) [in AppKit]
tchar_main(int, wchar_t**) Address = 0x4cb4e9b (filename not found) [in UE4Editor]
main() Address = 0x4cb4904 (filename not found) [in UE4Editor]
start() Address = 0x846905fd (filename not found) [in libdyld.dylib]