如何解决“Xcode 6意外退出”
每当我尝试增加“身高约束”xcode 6意外退出，
删除用户数据，closures源代码pipe理（如一些postbuild议），没有效果，仍然崩溃（显示索引…，永远不会完成）。 即使重新安装xCode，没有任何影响，仍然是这样说的。
有没有人修复这样的xCode？
Crashed Thread: 0 Dispatch queue: com.apple.main-thread Exception Type: EXC_CRASH (SIGABRT) Exception Codes: 0x0000000000000000, 0x0000000000000000 Application Specific Information: Sending _userDidPressStepper: to <IBLayoutConstraintConstantEditingController: 0x7ff622d2eb50> from <NSStepper: 0x7ff61e4bdfa0> ProductBuildVersion: 6A1052d ASSERTION FAILURE in /SourceCache/IDEInterfaceBuilder/IDEInterfaceBuilder-6250/InterfaceBuilderKit/AutoLayout/IBLayoutConstraintPropertyEditingController.m:17 Details: Assertion failed: constraint == constraintToModify Object: <IBLayoutConstraintConstantEditingController: 0x7ff622d2eb50> Method: -modifyConstraintProperty:forEditedObject:withBlock: Thread: <NSThread: 0x7ff618c33660>{number = 1, name = main} Hints: 0: Sending _userDidPressStepper: to <IBLayoutConstraintConstantEditingController: 0x7ff622d2eb50> from <NSStepper: 0x7ff61e4bdfa0> Backtrace: 0 0x000000010f2689ea -[IDEAssertionHandler handleFailureInMethod:object:fileName:lineNumber:assertionSignature:messageFormat:arguments:] (in IDEKit) 1 0x000000010e022d1f _DVTAssertionHandler (in DVTFoundation) 2 0x000000010e02300e _DVTAssertionFailureHandler (in DVTFoundation) 3 0x000000010e022f70 _DVTAssertionFailureHandler (in DVTFoundation) 4 0x0000000117cb99c2 __98-[IBLayoutConstraintPropertyEditingController modifyConstraintProperty:forEditedObject:withBlock:]_block_invoke (in IDEInterfaceBuilderKit) 5 0x0000000117cad018 -[IBLayoutConstraint(IBLayoutConstraintIntegration) ibModifyPropertyOfConstraintWithOptions:usingBlock:] (in IDEInterfaceBuilderKit) 6 0x0000000117cb992a -[IBLayoutConstraintPropertyEditingController modifyConstraintProperty:forEditedObject:withBlock:] (in IDEInterfaceBuilderKit) 7 0x0000000117cb9c70 -[IBLayoutConstraintPropertyEditingController setConstraintConstant:forEditedObject:] (in IDEInterfaceBuilderKit) 8 0x0000000117caae7b -[IBLayoutConstraintConstantEditingController _applyConstantUsingBlock:] (in IDEInterfaceBuilderKit) 9 0x0000000117ab0e22 -[IBAutolayoutPropertyEditingController _userDidPressStepper:] (in IDEInterfaceBuilderKit) 10 0x00007fff9c166cd7 _os_activity_initiate (in libsystem_trace.dylib) 11 0x00007fff8fd50497 -[NSApplication sendAction:to:from:] (in AppKit) 12 0x000000010e58e270 __37-[DVTApplication sendAction:to:from:]_block_invoke (in DVTKit) 13 0x000000010e024032 DVTInvokeWithFailureHint (in DVTFoundation) 14 0x000000010e45867e -[DVTApplication sendAction:to:from:] (in DVTKit) 15 0x00007fff8fd502c0 -[NSControl sendAction:to:] (in AppKit) 16 0x00007fff8ff24c5f __26-[NSCell _sendActionFrom:]_block_invoke (in AppKit) 17 0x00007fff9c166cd7 _os_activity_initiate (in libsystem_trace.dylib) 18 0x00007fff8fd98ddc -[NSCell _sendActionFrom:] (in AppKit) 19 0x00007fff90199e4f -[NSStepperCell _sendActionFrom:] (in AppKit) 20 0x00007fff8ff25b39 __48-[NSCell trackMouse:inRect:ofView:untilMouseUp:]_block_invoke (in AppKit) 21 0x00007fff9c166cd7 _os_activity_initiate (in libsystem_trace.dylib) 22 0x00007fff8fdb3391 -[NSCell trackMouse:inRect:ofView:untilMouseUp:] (in AppKit) 23 0x00007fff90199c69 -[NSStepperCell trackMouse:inRect:ofView:untilMouseUp:] (in AppKit) 24 0x00007fff8fdb2139 -[NSControl mouseDown:] (in AppKit) 25 0x00007fff902abf4f -[NSWindow _reallySendEvent:] (in AppKit) 26 0x00007fff8fd3650c -[NSWindow sendEvent:] (in AppKit) 27 0x000000010f28b54b -[IDEWorkspaceWindow sendEvent:] (in IDEKit) 28 0x00007fff8fce8096 -[NSApplication sendEvent:] (in AppKit) 29 0x000000010f0347f4 -[IDEApplication sendEvent:] (in IDEKit) 30 0x00007fff8fb74e98 -[NSApplication run] (in AppKit) 31 0x00007fff8fb602d4 NSApplicationMain (in AppKit) 32 0x00007fff93d995c9 start (in libdyld.dylib) 崩溃的线程：/
Performing @selector(_userDidPressStepper:) from sender NSStepper 0x7ff61e4bdfa0 abort() called Application Specific Signatures: constraint == constraintToModify crash report: Thread 0 Crashed:: Dispatch queue: com.apple.main-thread 0 libsystem_kernel.dylib 0x00007fff9576b282 __pthread_kill + 10 1 libsystem_c.dylib 0x00007fff92559b73 abort + 129 2 com.apple.dt.IDEKit 0x000000010f2685c6 +[IDEAssertionHandler _handleAssertionWithLogString:assertionSignature:assertionReason:extraBacktrace:] + 1510 3 com.apple.dt.IDEKit 0x000000010f268ba0 -[IDEAssertionHandler handleFailureInMethod:object:fileName:lineNumber:assertionSignature:messageFormat:arguments:] + 1169 4 com.apple.dt.DVTFoundation 0x000000010e022d1f _DVTAssertionHandler + 367 5 com.apple.dt.DVTFoundation 0x000000010e02300e _DVTAssertionFailureHandler + 407 6 com.apple.dt.DVTFoundation 0x000000010e022f70 _DVTAssertionFailureHandler + 249 7 com.apple.dt.IDE.IDEInterfaceBuilderKit 0x0000000117cb99c2 __98-[IBLayoutConstraintPropertyEditingController modifyConstraintProperty:forEditedObject:withBlock:]_block_invoke + 81 8 com.apple.dt.IDE.IDEInterfaceBuilderKit 0x0000000117cad018 -[IBLayoutConstraint(IBLayoutConstraintIntegration) ibModifyPropertyOfConstraintWithOptions:usingBlock:] + 463 9 com.apple.dt.IDE.IDEInterfaceBuilderKit 0x0000000117cb992a -[IBLayoutConstraintPropertyEditingController modifyConstraintProperty:forEditedObject:withBlock:] + 346 10 com.apple.dt.IDE.IDEInterfaceBuilderKit 0x0000000117cb9c70 -[IBLayoutConstraintPropertyEditingController setConstraintConstant:forEditedObject:] + 167 11 com.apple.dt.IDE.IDEInterfaceBuilderKit 0x0000000117caae7b -[IBLayoutConstraintConstantEditingController _applyConstantUsingBlock:] + 454 12 com.apple.dt.IDE.IDEInterfaceBuilderKit 0x0000000117ab0e22 -[IBAutolayoutPropertyEditingController _userDidPressStepper:] + 112 13 libsystem_trace.dylib 0x00007fff9c166cd7 _os_activity_initiate + 75 14 com.apple.AppKit 0x00007fff8fd50497 -[NSApplication sendAction:to:from:] + 410 15 com.apple.dt.DVTKit 0x000000010e58e270 __37-[DVTApplication sendAction:to:from:]_block_invoke + 379 16 com.apple.dt.DVTFoundation 0x000000010e024032 DVTInvokeWithFailureHint + 83 17 com.apple.dt.DVTKit 0x000000010e45867e -[DVTApplication sendAction:to:from:] + 335 18 com.apple.AppKit 0x00007fff8fd502c0 -[NSControl sendAction:to:] + 86 19 com.apple.AppKit 0x00007fff8ff24c5f __26-[NSCell _sendActionFrom:]_block_invoke + 131 20 libsystem_trace.dylib 0x00007fff9c166cd7 _os_activity_initiate + 75 21 com.apple.AppKit 0x00007fff8fd98ddc -[NSCell _sendActionFrom:] + 144 22 com.apple.AppKit 0x00007fff90199e4f -[NSStepperCell _sendActionFrom:] + 104 23 com.apple.AppKit 0x00007fff8ff25b39 __48-[NSCell trackMouse:inRect:ofView:untilMouseUp:]_block_invoke + 219 24 libsystem_trace.dylib 0x00007fff9c166cd7 _os_activity_initiate + 75 25 com.apple.AppKit 0x00007fff8fdb3391 -[NSCell trackMouse:inRect:ofView:untilMouseUp:] + 1318 26 com.apple.AppKit 0x00007fff90199c69 -[NSStepperCell trackMouse:inRect:ofView:untilMouseUp:] + 129 27 com.apple.AppKit 0x00007fff8fdb2139 -[NSControl mouseDown:] + 714 28 com.apple.AppKit 0x00007fff902abf4f -[NSWindow _reallySendEvent:] + 12827 29 com.apple.AppKit 0x00007fff8fd3650c -[NSWindow sendEvent:] + 368 30 com.apple.dt.IDEKit 0x000000010f28b54b -[IDEWorkspaceWindow sendEvent:] + 159 31 com.apple.AppKit 0x00007fff8fce8096 -[NSApplication sendEvent:] + 2238 32 com.apple.dt.IDEKit 0x000000010f0347f4 -[IDEApplication sendEvent:] + 924 33 com.apple.AppKit 0x00007fff8fb74e98 -[NSApplication run] + 711 34 com.apple.AppKit 0x00007fff8fb602d4 NSApplicationMain + 1832 35 libdyld.dylib 0x00007fff93d995c9 start + 1
请协助我如何解决这个问题，Thx …
你开发者帐户过期了吗？ 我昨天遇到了这个问题，昨天我的账户下build的这个项目运行得很好。 今天我发现我的开发人员过期了。