我无法在xcode项目中编辑情节提要文件。
我曾尝试清理自己的“派生数据”并清理我的项目，但没有效果。
在IBAgent崩溃日志中，我发现了这一点。
我在设计器中发现更多错误“已经关闭”错误。我相信是因为IBAgent崩溃
这是崩溃日志：
Process: IBAgent-iOS [81085]
Path: /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/Library/Xcode/Overlays/IBAgent-iOS
Identifier: IBAgent-iOS
Version: 12.0.1 (17125)
Code Type: X86-64 (Native)
Parent Process: launchd_sim [81011]
Responsible: SimulatorTrampoline [1320]
User ID: 501
Date/Time: 2020-10-07 12:38:24.736 -0400
OS Version: Mac OS X 10.15.6 (19G2021)
Report Version: 12
Anonymous UUID: B35CBFA6-5A9D-0F38-AAF9-43DECA2C829D
Time Awake Since Boot: 440000 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:
*** Terminating app due to uncaught exception 'NSInternalInconsistencyException', reason: 'Failed to create work interval'
terminating with uncaught exception of type NSException
abort() called
CoreSimulator 732.17 - Device: iPhone Xʀ (4069A6FF-6A3D-4066-A9E5-2871B5CF6183) - Runtime: iOS 14.0 (18A372) - DeviceType: iPhone Xʀ
Application Specific Backtrace 1:
0 CoreFoundation 0x00007fff2043a126 __exceptionPreprocess + 242
1 libobjc.A.dylib 0x00007fff20177f78 objc_exception_throw + 48
2 UIKitCore 0x00007fff24a5fcb7 _UIQOSProcessingEnd + 0
3 UIKitCore 0x00007fff24a5faf9 _UIQOSProcessingBegin + 309
4 UIKitCore 0x00007fff2404fd51 -[_UISceneDisplayLink _displayLinkTick:] + 98
5 QuartzCore 0x00007fff278e732d _ZN2CA7Display11DisplayLink14dispatch_itemsEyyy + 755
6 QuartzCore 0x00007fff279cb99c _ZL22display_timer_callbackP12__CFMachPortPvlS1_ + 639
7 CoreFoundation 0x00007fff2037670c __CFMachPortPerform + 157
8 CoreFoundation 0x00007fff203a913d __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE1_PERFORM_FUNCTION__ + 41
9 CoreFoundation 0x00007fff203a84de __CFRunLoopDoSource1 + 614
10 CoreFoundation 0x00007fff203a29ba __CFRunLoopRun + 2353
11 CoreFoundation 0x00007fff203a1b9e CFRunLoopRunSpecific + 567
12 Foundation 0x00007fff20846e61 -[NSRunLoop(NSRunLoop) runMode:beforeDate:] + 209
13 IBFoundation 0x000000010c137bf0 -[IBAbstractPlatformTool startServingReceiveChannel:] + 399
14 IBFoundation 0x000000010c137e56 -[IBAbstractPlatformTool startServingWriteDescriptor:readDescriptor:] + 111
15 IBFoundation 0x000000010c138b40 +[IBAbstractPlatformTool main] + 1237
16 IBAgent-iOS 0x000000010bba295f main + 34
17 libdyld.dylib 0x00007fff20257415 start + 1
Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0 libsystem_kernel.dylib 0x00007fff5dca633a __pthread_kill + 10
1 libsystem_pthread.dylib 0x00007fff5dcdbe60 pthread_kill + 430
2 libsystem_c.dylib 0x00007fff200fabd4 abort + 120
3 libc++abi.dylib 0x00007fff20250818 abort_message + 231
4 libc++abi.dylib 0x00007fff20241e7d demangling_terminate_handler() + 266
5 libobjc.A.dylib 0x00007fff201781d1 _objc_terminate() + 96
6 libc++abi.dylib 0x00007fff2024fc47 std::__terminate(void (*)()) + 8
7 libc++abi.dylib 0x00007fff202525b6 __cxa_rethrow + 99
8 libobjc.A.dylib 0x00007fff2017810c objc_exception_rethrow + 37
9 com.apple.CoreFoundation 0x00007fff203a1cc4 CFRunLoopRunSpecific + 861
10 com.apple.Foundation 0x00007fff20846e61 -[NSRunLoop(NSRunLoop) runMode:beforeDate:] + 209
11 com.apple.dt.IBFoundation 0x000000010c137bf0 -[IBAbstractPlatformTool startServingReceiveChannel:] + 399
12 com.apple.dt.IBFoundation 0x000000010c137e56 -[IBAbstractPlatformTool startServingWriteDescriptor:readDescriptor:] + 111
13 com.apple.dt.IBFoundation 0x000000010c138b40 +[IBAbstractPlatformTool main] + 1237
14 IBAgent-iOS 0x000000010bba295f main + 34
15 libdyld.dylib 0x00007fff20257415 start + 1