打开项目后，我的 XCode7.2 一直崩溃。以下是崩溃报告。有什么建议吗？我认为这类似于为什么打开项目时 xCode 会崩溃？
Process: Xcode [4687]
Path: /Applications/Xcode.app/Contents/MacOS/Xcode
Identifier: com.apple.dt.Xcode
Version: 7.2 (9548)
Build Info: IDEFrameworks-9548000000000000~7
App Item ID: 497799835
App External ID: 814662604
Code Type: X86-64 (Native)
Parent Process: ??? [1]
Responsible: Xcode [4687]
User ID: 501
Date/Time: 2016-01-05 12:02:36.156 +0800
OS Version: Mac OS X 10.11.2 (15C50)
Report Version: 11
Anonymous UUID: D6E08775-0376-D30A-1EFE-52215D842578
Time Awake Since Boot: 640 seconds
System Integrity Protection: enabled
Crashed Thread: 20 <DBGLLDBSessionThread (pid=8728)> Dispatch queue: DVTInvalidationPreventionQueue
Exception Type: EXC_BAD_ACCESS (SIGSEGV)
Exception Codes: KERN_INVALID_ADDRESS at 0x0000000000000000
Exception Note: EXC_CORPSE_NOTIFY
VM Regions Near 0:
-->
__TEXT 000000010cc40000-000000010cc44000 [ 16K] r-x/rwx SM=COW /Applications/Xcode.app/Contents/MacOS/Xcode
Application Specific Information:
ProductBuildVersion: 7C68
closed document
Global Trace Buffer (reverse chronological seconds):
367.387171 CFNetwork 0x00007fff86157a5b TCP Conn 0x7fe55ddd0420 SSL Handshake DONE
368.100013 CFNetwork 0x00007fff86157937 TCP Conn 0x7fe55ddd0420 starting SSL negotiation
368.100981 CFNetwork 0x00007fff86156303 TCP Conn 0x7fe55ddd0420 complete. fd: 39, err: 0
368.101087 CFNetwork 0x00007fff861e4b1d TCP Conn 0x7fe55ddd0420 event 1. err: 0
368.171468 CFNetwork 0x00007fff861555d3 TCP Conn 0x7fe55ddd0420 started
368.221199 CFNetwork 0x00007fff8611921a Creating default cookie storage with process/bundle identifier
368.221199 CFNetwork 0x00007fff861191b2 Faulting in CFHTTPCookieStorage singleton
368.221199 CFNetwork 0x00007fff86119041 Faulting in NSHTTPCookieStorage singleton
368.225091 CFNetwork 0x00007fff86216654 NSURLConnection finished with error - code -1100
Thread 0:: Dispatch queue: com.apple.main-thread