因此，今天在打开Xcode（版本10.1（10B61））时，它安装了一些其他软件包（不幸的是，我不知道是什么）。然后，当打开任何东西（现有项目，创建新项目，创建操场）时，它崩溃并显示以下错误。
我尝试重新安装Xcode，但是发生了相同的错误。 我正在使用MacOS Mojave（版本10.14（18A314k））
最后是一个错误：
Process: Xcode [2163]
Path: /Applications/Xcode.app/Contents/MacOS/Xcode
Identifier: com.apple.dt.Xcode
Version: 10.1 (14460.46)
Build Info: IDEFrameworks_Fall2018-14460046000000000~5
App Item ID: 497799835
App External ID: 828917606
Code Type: X86-64 (Native)
Parent Process: ??? [1]
Responsible: Xcode [2163]
User ID: 501
Date/Time: 2018-11-09 10:45:32.879 +0100
OS Version: Mac OS X 10.14 (18A314k)
Report Version: 12
Bridge OS Version: 3.0 (14Y664)
Anonymous UUID: 4A06F9DE-9B81-BB53-A130-5A43E3077DDF
Time Awake Since Boot: 5700 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:
Sending newPlayground: to <IDEApplicationCommands: 0x7ffea209fb20> from (null)
ProductBuildVersion: 10B61
UNCAUGHT EXCEPTION (NSInvalidArgumentException): +[NSColor detailAccentColor]: unrecognized selector sent to class 0x7fff9fa73e28
UserInfo: (null)
Hints:
0: Sending newPlayground: to <IDEApplicationCommands: 0x7ffea209fb20> from (null)
1: Sending createNewPlayground: to <IDEWelcomeWindowController: 0x7ffea123e380> from <IDEWelcomeWindowHighlightButton: 0x7ffea13f21a0>
Backtrace:
0 __exceptionPreprocess (in CoreFoundation)
1 DVTFailureHintExceptionPreprocessor (in DVTFoundation)
2 objc_exception_throw (in libobjc.A.dylib)
3 +[NSObject(NSObject) doesNotRecognizeSelector:] (in CoreFoundation)
4 ___forwarding___ (in CoreFoundation)
5 _CF_forwarding_prep_0 (in CoreFoundation)
6 -[DVTTheme activityViewDeterminateProgessIndicatorColor] (in DVTKit)
7 -[IDEActivityProgressIndicatorLayer _updateProgressLayerColor] (in IDEKit)
8 -[IDEActivityProgressIndicatorLayer reflectStyle] (in IDEKit)
9 -[IDEActivityProgressIndicatorLayer setupLayers] (in IDEKit)
10 -[IDEActivityProgressIndicatorLayer init] (in IDEKit)
11 -[IDEActivityReportLayer init] (in IDEKit)
12 +[IDEActivityReportLayer activityReportLayerForDisplayStyle:] (in IDEKit)
13 -[IDEActivityView _buildReportLayerTree] (in IDEKit)
14 -[IDEActivityView setupLayers] (in IDEKit)
15 -[IDEActivityView setup] (in IDEKit)
16 -[IDEActivityView setupOrTearDown] (in IDEKit)
17 -[NSView _setWindow:] (in AppKit)
18 -[NSView addSubview:] (in AppKit)
19 -[NSToolbarItemViewer configureForLayoutInDisplayMode:andSizeMode:inToolbarView:] (in AppKit)
20 -[NSToolbarView _layoutDirtyItemViewersAndTileToolbar] (in AppKit)
21 -[NSToolbarView _syncItemSetAndUpdateItemViewersWithSEL:setNeedsModeConfiguration:sizeToFit:setNeedsDisplay:updateKeyLoop:] (in AppKit)
22 -[NSToolbarView _noteToolbarLayoutChanged] (in AppKit)
23 -[NSView _setWindow:] (in AppKit)
24 -[NSView addSubview:] (in AppKit)
25 -[NSTitlebarView addSubview:] (in AppKit)
26 -[NSThemeFrame addTitlebarSubview:] (in AppKit)
27 -[NSThemeFrame _showHideToolbar:resizeWindow:animate:] (in AppKit)
28 -[NSWindow _showToolbar:animate:] (in AppKit)
29 -[NSToolbar _show:animate:] (in AppKit)
30 -[NSWindow setToolbar:] (in AppKit)
31 -[NSWindow(IBNSToolbarFixes) ibSwizzledSetToolbar:] (in IDEInterfaceBuilderCocoaIntegration)
32 +[IDEToolbarManager insertToolbarForToolbarDefinitionIdentifier:inWindow:] (in IDEKit)
33 __45-[IDEWorkspaceWindowController windowDidLoad]_block_invoke (in IDEKit)
34 -[NSObject(DVTObservingConvenience) _dvt_newObserverForKeyPath:options:owner:creationBacktrace:withHandlerBlock:] (in DVTFoundation)
35 -[NSObject(DVTObservingConvenience) dvt_newObserverForKeyPath:options:withHandlerBlock:] (in DVTFoundation)
36 -[IDEWorkspaceWindowController windowDidLoad] (in IDEKit)
37 -[NSWindowController _windowDidLoad] (in AppKit)
38 -[NSWindowController window] (in AppKit)
39 -[IDEDocumentController _openUntitledWorkspaceDocumentAndDisplay:simpleFilesFocused:forSingleFile:editorDocumentURLOrNil:error:] (in IDEKit)
40 -[IDEApplicationCommands newTemplateForTemplateKind:template:] (in IDEKit)
41 -[IDEApplicationCommands newTemplateSkippingChooserIfPossibleForTemplateKind:] (in IDEKit)
42 -[IDEApplicationCommands newPlayground:] (in IDEKit)
43 -[NSApplication(NSResponder) sendAction:to:from:] (in AppKit)
44 __37-[DVTApplication sendAction:to:from:]_block_invoke.99 (in DVTKit)
45 DVTInvokeWithFailureHint (in DVTFoundation)
46 -[DVTApplication sendAction:to:from:] (in DVTKit)
47 +[IDECommandManager sendActionForCommandWithIdentifier:from:] (in IDEKit)
48 -[NSApplication(NSResponder) sendAction:to:from:] (in AppKit)
49 __37-[DVTApplication sendAction:to:from:]_block_invoke.99 (in DVTKit)
50 DVTInvokeWithFailureHint (in DVTFoundation)
51 -[DVTApplication sendAction:to:from:] (in DVTKit)
52 -[NSControl sendAction:to:] (in AppKit)
53 __26-[NSCell _sendActionFrom:]_block_invoke (in AppKit)
54 -[NSCell _sendActionFrom:] (in AppKit)
55 -[NSButtonCell _sendActionFrom:] (in AppKit)
56 -[NSCell trackMouse:inRect:ofView:untilMouseUp:] (in AppKit)
57 -[NSButtonCell trackMouse:inRect:ofView:untilMouseUp:] (in AppKit)
58 -[NSControl mouseDown:] (in AppKit)
59 -[NSWindow(NSEventRouting) _handleMouseDownEvent:isDelayedEvent:] (in AppKit)
60 -[NSWindow(NSEventRouting) _reallySendEvent:isDelayedEvent:] (in AppKit)
61 -[NSWindow(NSEventRouting) sendEvent:] (in AppKit)
62 -[NSApplication(NSEvent) sendEvent:] (in AppKit)
63 -[IDEApplication sendEvent:] (in IDEKit)
64 -[NSApplication run] (in AppKit)
65 NSApplicationMain (in AppKit)
66 main (in Xcode)
67 start (in libdyld.dylib)
abort() called
Application Specific Signatures:
NSInvalidArgumentException
答案 0 :(得分：0)
我遇到了同样的问题，在我将操作系统更新到最新版本之后，它在Xcode App启动时崩溃了。
由于以下问题
+[NSColor detailAccentColor]: unrecognized selector sent to class 0x7fff9fa73e28
从下面的链接下载最新的操作系统
https://itunes.apple.com/in/app/macos-mojave/id1398502828?mt=12