我几个小时就面临这个奇怪的问题而且它突然开始了.每当我尝试在Xcode中选择颜色面板中的不同选项卡时,整个Xcode都会因错误而崩溃,
UNCAUGHT EXCEPTION (NSRangeException): Cannot remove an observer <NSColorPickerPageableNameListScrollView 0x7fb8f6ce0910> for the key path "contentLayoutRect" from <HighlightColorPanel 0x7fb8f6c94af0> because it is not registered as an observer.
以下是错误的完整堆栈跟踪,
Process: Xcode [1958]
Path: /Applications/Xcode.app/Contents/MacOS/Xcode
Identifier: com.apple.dt.Xcode
Version: 6.3.2 (7718)
Build Info: IDEFrameworks-7718000000000000~2
App Item ID: 497799835
App External ID: 812404257
Code Type: X86-64 (Native)
Parent Process: ??? [1]
Responsible: Xcode [1958]
User ID: 501
Date/Time: 2015-06-20 13:50:18.080 +0530
OS Version: Mac OS X 10.10.3 (14D136)
Report Version: 11
Anonymous UUID: 1A8B5EF9-7E79-106C-D0F5-5648FF5FD699
Time …