当我从Xamarin Studio打开界面构建器时，它崩溃了。我曾尝试多次安装Xcode但它仍然无法正常工作。崩溃日志如下。
我希望有人知道解决方案。谢谢！
Process: Xcode [1626]
Path: /Applications/Xcode.app/Contents/MacOS/Xcode
Identifier: com.apple.dt.Xcode
Version: 4.5.2 (1847)
Build Info: IDEApplication-1847000000000000~5
Code Type: X86-64 (Native)
Parent Process: launchd [418]
Responsible: Xcode [1626]
User ID: 502
Date/Time: 2013-11-26 13:59:17.187 +0800
OS Version: Mac OS X 10.9 (13A603)
Report Version: 11
Anonymous UUID: AF32F1BF-E83F-B6FF-06FD-D8E115910A47
Crashed Thread: 0 Dispatch queue: com.apple.main-thread
Exception Type: EXC_CRASH (SIGABRT)
Exception Codes: 0x0000000000000000, 0x0000000000000000
Application Specific Information:
ProductBuildVersion: 4G2008a
ASSERTION FAILURE in /SourceCache/IDEInterfaceBuilder/IDEInterfaceBuilder-2844/CocoaIntegration/Inspectors/Effects/Inspectors/IBCIFilterEffectsInspector.m:149
Details: code which should be unreachable has been reached
Object: <IBContentFiltersEffectsInspector: 0x402dd9060>
Method: -inspectorXMLForFilter:
Thread: <NSThread: 0x40040a2a0>{name = (null), num = 1}
Hints: None