Xcode不会打开项目工作区。它会立即退出并抛出此错误报告。我上次提交时一切都很好。我不确定如何找到问题。它说Assertion failed: _numberOfTabsForLayout > 1我在这个项目中没有任何类型的标签栏，但我确实关闭了项目，在工作区中打开了多个标签。
Process: Xcode [8382]
Path: /Applications/Xcode.app/Contents/MacOS/Xcode
Identifier: com.apple.dt.Xcode
Version: 6.4 (7720)
Build Info: IDEFrameworks-7720000000000000~8
App Item ID: 497799835
App External ID: 812725084
Code Type: X86-64 (Native)
Parent Process: ??? [1]
Responsible: Xcode [8382]
User ID: 501
Date/Time: 2015-10-18 20:06:46.433 -0400
OS Version: Mac OS X 10.11 (15A284)
Report Version: 11
Anonymous UUID: 2C67D893-30CC-08A5-E12A-E03DD1BAEFBD
Sleep/Wake UUID: 844DC3EB-F2C2-496A-BEEB-C72AE1AFE3F9
Time Awake Since Boot: 48000 seconds
Time Since Wake: 5800 seconds
System Integrity Protection: enabled
Crashed Thread: 0 Dispatch queue: com.apple.main-thread
Exception Type: EXC_CRASH (SIGABRT)
Exception Codes: 0x0000000000000000, 0x0000000000000000
Exception Note: EXC_CORPSE_NOTIFY
Application Specific Information:
ProductBuildVersion: 6E35b
ASSERTION FAILURE in /SourceCache/DVTFrameworks/DVTFrameworks-7714/DVTKit/Tabs/DVTScrollableTabBarView.m:1270
Details: Assertion failed: _numberOfTabsForLayout > 1
Object: <DVTScrollableTabBarView: 0x7fd3dfa81230>
Method: -_calculateStackingRegions
Thread: <NSThread: 0x7fd3da5207f0>{number = 1, name = main}
Hints: None
Backtrace:
0 0x0000000103b8cfda -[IDEAssertionHandler handleFailureInMethod:object:fileName:lineNumber:assertionSignature:messageFormat:arguments:] (in IDEKit)
更新：我想出了如何让它打开但不知道如何解决问题。如果我断开第二台显示器，它将打开并正常工作。我可以在显示器打开后重新连接显示器，一切都很好。但每次我需要重新打开项目时，我都必须拔出HDMI线。