Xcode 5.0.1 crashes when I build and run an empty ios app.

How i can solve this?

**And the Log are as follows:**

```
Version:         5.0.1 (3335.23)
Build Info:      IDEApplication-3335023000000000~2
Code Type:       X86-64 (Native)
Parent Process:  launchd [192]
Responsible:     Xcode [600]
User ID:         501

Date/Time:       2014-03-17 19:36:09.442 +0800
OS Version:      Mac OS X 10.9.2 (13C64)
Report Version:  11
Anonymous UUID:  FC8475E3-7090-9E79-B7E3-A079F66EB066

Crashed Thread:  0  Dispatch queue: com.apple.main-thread

Exception Type:  EXC_CRASH (SIGABRT)
Exception Codes: 0x0000000000000000, 0x0000000000000000

Application Specific Information:
Sending performRunAction: to <IDERunPauseContinueToolbarButton: 0x7fb1ae158e50> from <IDERunPauseContinueToolbarButton: 0x7fb1ae158e50>
ProductBuildVersion: 5A2053
UNCAUGHT EXCEPTION (NSInternalInconsistencyException): Error getting value for key 'workerClass' of extension 'Xcode.DebuggerFoundation.Debugger.LLDB' in plug-in 'com.apple.dt.dbg.DebuggerLLDB'

```