Process: Xcode [17611] Path: /Applications/Xcode.app/Contents/MacOS/Xcode Identifier: com.apple.dt.Xcode Version: 11.2.1 (15526.1) Build Info: IDEFrameworks-15526001000000000~4 (11B500) App Item ID: 497799835 App External ID: 833502318 Code Type: X86-64 (Native) Parent Process: ??? [1] Responsible: Xcode [17611] User ID: 501 Date/Time: 2019-11-13 13:56:16.523 -0500 OS Version: Mac OS X 10.15.1 (19B88) Report Version: 12 Anonymous UUID: 59421F89-0AB5-B6E2-B437-53D2CEC68F51 Time Awake Since Boot: 170000 seconds System Integrity Protection: enabled Crashed Thread: 0 Dispatch queue: com.apple.main-thread Exception Type: EXC_CRASH (SIGABRT) Exception Codes: 0x0000000000000000, 0x0000000000000000 Exception Note: EXC_CORPSE_NOTIFY Application Specific Information: ProductBuildVersion: 11B500 UNCAUGHT EXCEPTION (NSInternalInconsistencyException): Cannot update for observer for the key path "_keyWindow.firstResponder" from , most likely because the value for the key "_keyWindow" has changed without an appropriate KVO notification being sent. Check the KVO-compliance of the IDEApplication class. UserInfo: (null) Hints: Backtrace: 0 __exceptionPreprocess (in CoreFoundation) 1 DVTFailureHintExceptionPreprocessor (in DVTFoundation) 2 objc_exception_throw (in libobjc.A.dylib) 3 -[NSKeyValueNestedProperty object:withObservance:didChangeValueForKeyOrKeys:recurse:forwardingValues:] (in Foundation) 4 NSKeyValueDidChange.llvm.18255262684423441536 (in Foundation) 5 NSKeyValueDidChangeWithPerThreadPendingNotifications.llvm.18255262684423441536 (in Foundation) 6 -[NSApplication _setKeyWindow:] (in AppKit) 7 -[NSWindow _changeKeyAndMainLimitedOK:] (in AppKit) 8 -[NSWindow _makeKeyRegardlessOfVisibility] (in AppKit) 9 -[NSWindow makeKeyAndOrderFront:] (in AppKit) 10 -[NSWindow(NSWindow_Theme) _prepareToRestoreRegularFromDock:forceActivation:wantsToBeKey:] (in AppKit) 11 -[NSWindow(NSWindow_Theme) _prepareToRestoreFromDock:forceActivation:wantsToBeKey:] (in AppKit) 12 -[NSWindow(NSWindow_Theme) _doRestoreComingFromDock:forceActivation:wantsToBeKey:] (in AppKit) 13 -[NSWindowStackController handleDeminimizingWindow:] (in AppKit) 14 -[NSWindow(NSWindowTabbing) _prepareTabbedWindowDeminimize] (in AppKit) 15 -[NSWindow(NSWindow_Theme) _prepareToRestoreFromDock:forceActivation:wantsToBeKey:] (in AppKit) 16 -[NSWindow(NSWindow_Theme) _doRestoreComingFromDock:forceActivation:wantsToBeKey:] (in AppKit) 17 -[NSWindow _reallyDoOrderWindowAboveOrBelow:relativeTo:findKey:forCounter:force:isModal:] (in AppKit) 18 -[NSWindow _reallyDoOrderWindow:relativeTo:findKey:forCounter:force:isModal:] (in AppKit) 19 -[NSWindow _doOrderWindow:relativeTo:findKey:forCounter:force:isModal:] (in AppKit) 20 -[NSWindow orderWindow:relativeTo:] (in AppKit) 21 -[NSWindow makeKeyAndOrderFront:] (in AppKit) 22 __103-[NSWindowStackController _doTabSelectionAndWindowOrderingAtIndex:makeKeyAndOrderFront:justOrderFront:]_block_invoke (in AppKit) 23 NSPerformVisuallyAtomicChange (in AppKit) 24 -[NSWindowStackController _doTabSelectionAndWindowOrderingAtIndex:makeKeyAndOrderFront:justOrderFront:] (in AppKit) 25 -[NSWindowStackController setSelectedWindow:] (in AppKit) 26 -[NSWindow(NSWindowTabbing) _doTabbedWindowOrderFront] (in AppKit) 27 -[NSApplication _setKeyWindow:] (in AppKit) 28 -[NSWindow _changeKeyAndMainLimitedOK:] (in AppKit) 29 -[NSWindow _makeKeyRegardlessOfVisibility] (in AppKit) 30 -[NSWindow makeKeyAndOrderFront:] (in AppKit) 31 -[NSWindowController showWindow:] (in AppKit) 32 -[IDEWorkspaceDocument setOrderedWindowControllerNames:] (in IDEKit) 33 -[NSObject(NSKeyValueObservingPrivate) _changeValueForKeys:count:maybeOldValuesDict:maybeNewValuesDict:usingBlock:] (in Foundation) 34 -[NSObject(NSKeyValueObservingPrivate) _changeValueForKey:key:key:usingBlock:] (in Foundation) 35 _NSSetObjectValueAndNotify (in Foundation) 36 -[IDEWorkspaceDocument revertStateWithDictionary:] (in IDEKit) 37 -[DVTStateToken _pullStateFromDictionary:] (in DVTFoundation) 38 -[DVTStateToken pullStateFromRepository] (in DVTFoundation) 39 -[IDEWorkspaceDocument _readFromURL:ofType:simpleFilesFocused:error:] (in IDEKit) 40 -[IDEWorkspaceDocument readFromURL:ofType:error:] (in IDEKit) 41 -[NSDocument _initWithContentsOfURL:ofType:error:] (in AppKit) 42 -[NSDocument initWithContentsOfURL:ofType:error:] (in AppKit) 43 -[IDEDocumentController makeDocumentWithContentsOfURL:ofType:error:] (in IDEKit) 44 __97-[NSDocumentController makeDocumentWithContentsOfURL:alternateContents:ofType:completionHandler:]_block_invoke (in AppKit) 45 -[NSDocumentController makeDocumentWithContentsOfURL:alternateContents:ofType:completionHandler:] (in AppKit) 46 __80-[NSDocumentController openDocumentWithContentsOfURL:display:completionHandler:]_block_invoke (in AppKit) 47 __145-[IDEDocumentController _coordinateReadingAndGetAlternateContentsForOpeningDocumentAtURL:resolvingSymlinks:thenContinueOnMainThreadWithAccessor:]_block_invoke (in IDEKit) 48 __144-[NSDocumentController _coordinateReadingAndGetAlternateContentsForOpeningDocumentAtURL:resolvingSymlinks:thenContinueOnMainThreadWithAccessor:]_block_invoke_4 (in AppKit) 49 __144-[NSDocumentController _coordinateReadingAndGetAlternateContentsForOpeningDocumentAtURL:resolvingSymlinks:thenContinueOnMainThreadWithAccessor:]_block_invoke_2.872 (in AppKit) 50 __144-[NSDocumentController _coordinateReadingAndGetAlternateContentsForOpeningDocumentAtURL:resolvingSymlinks:thenContinueOnMainThreadWithAccessor:]_block_invoke.871 (in AppKit) 51 __144-[NSDocumentController _coordinateReadingAndGetAlternateContentsForOpeningDocumentAtURL:resolvingSymlinks:thenContinueOnMainThreadWithAccessor:]_block_invoke.869 (in AppKit) 52 ___NSMainRunLoopPerformBlockInModes_block_invoke (in AppKit) 53 __CFRUNLOOP_IS_CALLING_OUT_TO_A_BLOCK__ (in CoreFoundation) 54 __CFRunLoopDoBlocks (in CoreFoundation) 55 __CFRunLoopRun (in CoreFoundation) 56 CFRunLoopRunSpecific (in CoreFoundation) 57 RunCurrentEventLoopInMode (in HIToolbox) 58 ReceiveNextEventCommon (in HIToolbox) 59 _BlockUntilNextEventMatchingListInModeWithFilter (in HIToolbox) 60 _DPSNextEvent (in AppKit) 61 -[NSApplication(NSEvent) _nextEventMatchingEventMask:untilDate:inMode:dequeue:] (in AppKit) 62 -[DVTApplication nextEventMatchingMask:untilDate:inMode:dequeue:] (in DVTKit) 63 -[NSApplication run] (in AppKit) 64 NSApplicationMain (in AppKit) 65 main (in Xcode) 66 start (in libdyld.dylib) abort() called Application Specific Signatures: NSInternalInconsistencyException Application Specific Backtrace 1: 0 CoreFoundation 0x00007fff3ac7af53 __exceptionPreprocess + 250 1 DVTFoundation 0x000000010d5f8a69 DVTFailureHintExceptionPreprocessor + 205 2 libobjc.A.dylib 0x00007fff70d40835 objc_exception_throw + 48 3 Foundation 0x00007fff3d2f7112 -[NSKeyValueNestedProperty object:withObservance:didChangeValueForKeyOrKeys:recurse:forwardingValues:] + 778 4 Foundation 0x00007fff3d3f4e5b NSKeyValueDidChange.llvm.18255262684423441536 + 183 5 Foundation 0x00007fff3d3f4761 NSKeyValueDidChangeWithPerThreadPendingNotifications.llvm.18255262684423441536 + 146 6 AppKit 0x00007fff37f05089 -[NSApplication _setKeyWindow:] + 245 7 AppKit 0x00007fff37f04b46 -[NSWindow _changeKeyAndMainLimitedOK:] + 813 8 AppKit 0x00007fff37f046e0 -[NSWindow _makeKeyRegardlessOfVisibility] + 76 9 AppKit 0x00007fff37f04307 -[NSWindow makeKeyAndOrderFront:] + 40 10 AppKit 0x00007fff3867d064 -[NSWindow(NSWindow_Theme) _prepareToRestoreRegularFromDock:forceActivation:wantsToBeKey:] + 118 11 AppKit 0x00007fff3867d27e -[NSWindow(NSWindow_Theme) _prepareToRestoreFromDock:forceActivation:wantsToBeKey:] + 129 12 AppKit 0x00007fff3867cfb1 -[NSWindow(NSWindow_Theme) _doRestoreComingFromDock:forceActivation:wantsToBeKey:] + 22 13 AppKit 0x00007fff3860f988 -[NSWindowStackController handleDeminimizingWindow:] + 156 14 AppKit 0x00007fff3821eb12 -[NSWindow(NSWindowTabbing) _prepareTabbedWindowDeminimize] + 58 15 AppKit 0x00007fff3867d23d -[NSWindow(NSWindow_Theme) _prepareToRestoreFromDock:forceActivation:wantsToBeKey:] + 64 16 AppKit 0x00007fff3867cfb1 -[NSWindow(NSWindow_Theme) _doRestoreComingFromDock:forceActivation:wantsToBeKey:] + 22 17 AppKit 0x00007fff37f06d9b -[NSWindow _reallyDoOrderWindowAboveOrBelow:relativeTo:findKey:forCounter:force:isModal:] + 525 18 AppKit 0x00007fff37f06aab -[NSWindow _reallyDoOrderWindow:relativeTo:findKey:forCounter:force:isModal:] + 135 19 AppKit 0x00007fff37f058cf -[NSWindow _doOrderWindow:relativeTo:findKey:forCounter:force:isModal:] + 283 20 AppKit 0x00007fff37f05753 -[NSWindow orderWindow:relativeTo:] + 155 21 AppKit 0x00007fff37f0431b -[NSWindow makeKeyAndOrderFront:] + 60 22 AppKit 0x00007fff3860d451 __103-[NSWindowStackController _doTabSelectionAndWindowOrderingAtIndex:makeKeyAndOrderFront:justOrderFront:]_block_invoke + 243 23 AppKit 0x00007fff37e05ebe NSPerformVisuallyAtomicChange + 132 24 AppKit 0x00007fff3860d1e3 -[NSWindowStackController _doTabSelectionAndWindowOrderingAtIndex:makeKeyAndOrderFront:justOrderFront:] + 835 25 AppKit 0x00007fff38609410 -[NSWindowStackController setSelectedWindow:] + 452 26 AppKit 0x00007fff37f05198 -[NSWindow(NSWindowTabbing) _doTabbedWindowOrderFront] + 136 27 AppKit 0x00007fff37f05072 -[NSApplication _setKeyWindow:] + 222 28 AppKit 0x00007fff37f04b46 -[NSWindow _changeKeyAndMainLimitedOK:] + 813 29 AppKit 0x00007fff37f046e0 -[NSWindow _makeKeyRegardlessOfVisibility] + 76 30 AppKit 0x00007fff37f04307 -[NSWindow makeKeyAndOrderFront:] + 40 31 AppKit 0x00007fff380189ce -[NSWindowController showWindow:] + 493 32 IDEKit 0x000000010ef550e6 -[IDEWorkspaceDocument setOrderedWindowControllerNames:] + 1086 33 Foundation 0x00007fff3d26b547 -[NSObject(NSKeyValueObservingPrivate) _changeValueForKeys:count:maybeOldValuesDict:maybeNewValuesDict:usingBlock:] + 646 34 Foundation 0x00007fff3d26b29c -[NSObject(NSKeyValueObservingPrivate) _changeValueForKey:key:key:usingBlock:] + 68 35 Foundation 0x00007fff3d26b226 _NSSetObjectValueAndNotify + 269 36 IDEKit 0x000000010ef50012 -[IDEWorkspaceDocument revertStateWithDictionary:] + 201 37 DVTFoundation 0x000000010d48e546 -[DVTStateToken _pullStateFromDictionary:] + 350 38 DVTFoundation 0x000000010d48e8f2 -[DVTStateToken pullStateFromRepository] + 169 39 IDEKit 0x000000010ef48b8a -[IDEWorkspaceDocument _readFromURL:ofType:simpleFilesFocused:error:] + 894 40 IDEKit 0x000000010ef491ab -[IDEWorkspaceDocument readFromURL:ofType:error:] + 133 41 AppKit 0x00007fff380c8239 -[NSDocument _initWithContentsOfURL:ofType:error:] + 172 42 AppKit 0x00007fff380c8122 -[NSDocument initWithContentsOfURL:ofType:error:] + 231 43 IDEKit 0x000000010f31d9cc -[IDEDocumentController makeDocumentWithContentsOfURL:ofType:error:] + 2126 44 AppKit 0x00007fff38362240 __97-[NSDocumentController makeDocumentWithContentsOfURL:alternateContents:ofType:completionHandler:]_block_invoke + 91 45 AppKit 0x00007fff383621da -[NSDocumentController makeDocumentWithContentsOfURL:alternateContents:ofType:completionHandler:] + 160 46 AppKit 0x00007fff38144852 __80-[NSDocumentController openDocumentWithContentsOfURL:display:completionHandler:]_block_invoke + 839 47 IDEKit 0x000000010f323f10 __145-[IDEDocumentController _coordinateReadingAndGetAlternateContentsForOpeningDocumentAtURL:resolvingSymlinks:thenContinueOnMainThreadWithAccessor:]_block_invoke + 224 48 AppKit 0x00007fff383613dc __144-[NSDocumentController _coordinateReadingAndGetAlternateContentsForOpeningDocumentAtURL:resolvingSymlinks:thenContinueOnMainThreadWithAccessor:]_block_invoke_4 + 31 49 AppKit 0x00007fff38361732 __144-[NSDocumentController _coordinateReadingAndGetAlternateContentsForOpeningDocumentAtURL:resolvingSymlinks:thenContinueOnMainThreadWithAccessor:]_block_invoke_2.872 + 177 50 AppKit 0x00007fff3836161b __144-[NSDocumentController _coordinateReadingAndGetAlternateContentsForOpeningDocumentAtURL:resolvingSymlinks:thenContinueOnMainThreadWithAccessor:]_block_invoke.871 + 153 51 AppKit 0x00007fff3836152f __144-[NSDocumentController _coordinateReadingAndGetAlternateContentsForOpeningDocumentAtURL:resolvingSymlinks:thenContinueOnMainThreadWithAccessor:]_block_invoke.869 + 243 52 AppKit 0x00007fff3836e184 ___NSMainRunLoopPerformBlockInModes_block_invoke + 25 53 CoreFoundation 0x00007fff3ac06d6b __CFRUNLOOP_IS_CALLING_OUT_TO_A_BLOCK__ + 12 54 CoreFoundation 0x00007fff3abc9fdd __CFRunLoopDoBlocks + 379 55 CoreFoundation 0x00007fff3abc9751 __CFRunLoopRun + 1257 56 CoreFoundation 0x00007fff3abc8fe3 CFRunLoopRunSpecific + 499 57 HIToolbox 0x00007fff3975067d RunCurrentEventLoopInMode + 292 58 HIToolbox 0x00007fff397502c9 ReceiveNextEventCommon + 356 59 HIToolbox 0x00007fff39750147 _BlockUntilNextEventMatchingListInModeWithFilter + 64 60 AppKit 0x00007fff37dd5864 _DPSNextEvent + 990 61 AppKit 0x00007fff37dd45d4 -[NSApplication(NSEvent) _nextEventMatchingEventMask:untilDate:inMode:dequeue:] + 1352 62 DVTKit 0x000000010dc4afeb -[DVTApplication nextEventMatchingMask:untilDate:inMode:dequeue:] + 390 63 AppKit 0x00007fff37dced76 -[NSApplication run] + 658 64 AppKit 0x00007fff37dc095d NSApplicationMain + 777 65 Xcode 0x000000010d326e8d main + 541 66 libdyld.dylib 0x00007fff720a32e5 start + 1 67 ??? 0x0000000000000001 0x0 + 1 Thread 0 Crashed:: Dispatch queue: com.apple.main-thread 0 libsystem_kernel.dylib 0x00007fff721f249a __pthread_kill + 10 1 libsystem_pthread.dylib 0x00007fff722af6cb pthread_kill + 384 2 libsystem_c.dylib 0x00007fff7217aa1c abort + 120 3 com.apple.dt.IDEKit 0x000000010f037be9 +[IDEAssertionHandler _handleAssertionWithLogString:assertionSignature:assertionReason:extraBacktrace:] + 1276 4 com.apple.dt.IDEKit 0x000000010f039298 -[IDEAssertionHandler handleUncaughtException:] + 1094 5 com.apple.dt.IDEKit 0x000000010f03936e IDEHandleUncaughtException + 94 6 com.apple.AppKit 0x00007fff3836141b __144-[NSDocumentController _coordinateReadingAndGetAlternateContentsForOpeningDocumentAtURL:resolvingSymlinks:thenContinueOnMainThreadWithAccessor:]_block_invoke_4 + 94 7 com.apple.AppKit 0x00007fff38361732 __144-[NSDocumentController _coordinateReadingAndGetAlternateContentsForOpeningDocumentAtURL:resolvingSymlinks:thenContinueOnMainThreadWithAccessor:]_block_invoke_2.872 + 177 8 com.apple.AppKit 0x00007fff3836161b __144-[NSDocumentController _coordinateReadingAndGetAlternateContentsForOpeningDocumentAtURL:resolvingSymlinks:thenContinueOnMainThreadWithAccessor:]_block_invoke.871 + 153 9 com.apple.AppKit 0x00007fff3836152f __144-[NSDocumentController _coordinateReadingAndGetAlternateContentsForOpeningDocumentAtURL:resolvingSymlinks:thenContinueOnMainThreadWithAccessor:]_block_invoke.869 + 243 10 com.apple.AppKit 0x00007fff3836e184 ___NSMainRunLoopPerformBlockInModes_block_invoke + 25 11 com.apple.CoreFoundation 0x00007fff3ac06d6b __CFRUNLOOP_IS_CALLING_OUT_TO_A_BLOCK__ + 12 12 com.apple.CoreFoundation 0x00007fff3abc9fdd __CFRunLoopDoBlocks + 379 13 com.apple.CoreFoundation 0x00007fff3abc9751 __CFRunLoopRun + 1257 14 com.apple.CoreFoundation 0x00007fff3abc8fe3 CFRunLoopRunSpecific + 499 15 com.apple.HIToolbox 0x00007fff3975067d RunCurrentEventLoopInMode + 292 16 com.apple.HIToolbox 0x00007fff397502c9 ReceiveNextEventCommon + 356 17 com.apple.HIToolbox 0x00007fff39750147 _BlockUntilNextEventMatchingListInModeWithFilter + 64 18 com.apple.AppKit 0x00007fff37dd5864 _DPSNextEvent + 990 19 com.apple.AppKit 0x00007fff37dd45d4 -[NSApplication(NSEvent) _nextEventMatchingEventMask:untilDate:inMode:dequeue:] + 1352 20 com.apple.dt.DVTKit 0x000000010dc4afeb -[DVTApplication nextEventMatchingMask:untilDate:inMode:dequeue:] + 390 21 com.apple.AppKit 0x00007fff37dced76 -[NSApplication run] + 658 22 com.apple.AppKit 0x00007fff37dc095d NSApplicationMain + 777 23 com.apple.dt.Xcode 0x000000010d326e8d main + 541 24 libdyld.dylib 0x00007fff720a32e5 start + 1 ....