我刚刚下载了Xcode 11.2.1，现在，当我尝试打开一个现有项目时，Xcode立即崩溃。这仅发生在我的一个项目上，而没有发生在其他项目上。我可以创建一个新的空白项目。所有这些都是带有SwifUI的iOS“ SingleView”项目。
还有其他人看到过吗？
这是崩溃日志的开始：
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 <NSColorPanel 0x7fabf38331a0> for the key path "_keyWindow.firstResponder" from <IDEApplication 0x7fac53511310>, 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
答案 0 :(得分：10)
打开项目文件夹 显示来自.xcworkspace或.xcodeproj的软件包内容 您将看到2个文件夹 xcshareddata 和 xcuserdata 请删除 xcuserdata 文件夹 尝试打开应用程序
答案 1 :(得分：5)