1
我使用Xcode 6开发IOS应用程序。故事板中有超过20个uiviewcontroller。在复制uiviewcontroller时，Xcode 6崩溃了以下详细信息。Xcode 6崩溃
Process: Xcode [3249]
Path: /Applications/Xcode.app/Contents/MacOS/Xcode
Identifier: com.apple.dt.Xcode
Version: 6.0.1 (6528)
Build Info: IDEFrameworks-6528000000000000~2
App Item ID: 497799835
App External ID: 712682811
Code Type: X86-64 (Native)
Parent Process: ??? [1]
Responsible: Xcode [3249]
User ID: 502
Date/Time: 2014-10-31 21:29:48.253 +0530
OS Version: Mac OS X 10.10 (14A389)
Report Version: 11
Anonymous UUID: BA5EB3A3-EAF6-AC59-7BEB-054003FB610F
Time Awake Since Boot: 9600 seconds
Crashed Thread: 0 Dispatch queue: com.apple.main-thread
Exception Type: EXC_CRASH (SIGABRT)
Exception Codes: 0x0000000000000000, 0x0000000000000000
Application Specific Information:
ProductBuildVersion: 6A317
ASSERTION FAILURE in /SourceCache/IDEInterfaceBuilder/IDEInterfaceBuilder-6245/InterfaceBuilderKit/Document/IBDocument.m:2067
Details: An instance of IBUIView with object ID 7tL-KA-q28 did not archive its child (IBLayoutConstraint) with an object of ID zUL-0Z-d57.
Object: <IBStoryboardDocument: 0x7fb9e9c14200>
Method: -documentArchiver:didArchiveObject:
Thread: <NSThread: 0x7fb9e95388d0>{number = 1, name = main}
Hints: None
Backtrace:
0 0x0000000108396f0a -[IDEAssertionHandler handleFailureInMethod:object:fileName:lineNumber:assertionSignature:messageFormat:arguments:] (in IDEKit)
1 0x0000000107154baf _DVTAssertionHandler (in DVTFoundation)
2 0x0000000107154e9e _DVTAssertionFailureHandler (in DVTFoundation)
3 0x000000011178ed32 -[IBDocument documentArchiver:didArchiveObject:] (in IDEInterfaceBuilderKit)
4 0x00000001119c3eed -[IBStoryboardDocument documentArchiver:didArchiveObject:] (in IDEInterfaceBuilderKit)
5 0x00000001117c821f __51-[IBDocumentArchiver archiveObject:forOptionalKey:]_block_invoke (in IDEInterfaceBuilderKit)
6 0x00000001117c749d -[IBDocumentArchiver recurseWithElementNamed:forObject:kind:invokingBlock:] (in IDEInterfaceBuilderKit)
7 0x00000001117c7f62 -[IBDocumentArchiver archiveObject:forOptionalKey:] (in IDEInterfaceBuilderKit)
8 0x00000001117c8f1f __59-[IBDocumentArchiver archiveArray:withName:forOptionalKey:]_block_invoke (in IDEInterfaceBuilderKit)
9 0x00000001117c749d -[IBDocumentArchiver recurseWithElementNamed:forObject:kind:invokingBlock:] (in IDEInterfaceBuilderKit)
10 0x00000001117c8d0d -[IBDocumentArchiver archiveArray:withName:forOptionalKey:] (in IDEInterfaceBuilderKit)
11 0x00000001119c4736 __47-[IBStoryboardDocument archiveTopLevelObjects:]_block_invoke_2 (in IDEInterfaceBuilderKit)
12 0x00000001117c749d -[IBDocumentArchiver recurseWithElementNamed:forObject:kind:invokingBlock:] (in IDEInterfaceBuilderKit)
13 0x00000001117c9a13 -[IBDocumentArchiver archiveGroupWithName:forOptionalKey:usingBlock:] (in IDEInterfaceBuilderKit)
14 0x00000001117c9c91 -[IBDocumentArchiver archiveGroupWithName:usingBlock:] (in IDEInterfaceBuilderKit)
15 0x00000001119c432b __47-[IBStoryboardDocument archiveTopLevelObjects:]_block_invoke (in IDEInterfaceBuilderKit)
16 0x00000001117c749d -[IBDocumentArchiver recurseWithElementNamed:forObject:kind:invokingBlock:] (in IDEInterfaceBuilderKit)
17 0x00000001117c9a13 -[IBDocumentArchiver archiveGroupWithName:forOptionalKey:usingBlock:] (in IDEInterfaceBuilderKit)
18 0x00000001117c9c91 -[IBDocumentArchiver archiveGroupWithName:usingBlock:] (in IDEInterfaceBuilderKit)
19 0x00000001119c4109 -[IBStoryboardDocument archiveTopLevelObjects:] (in IDEInterfaceBuilderKit)
20 0x000000011178f01c -[IBDocument archiveAndVerifyArchivingOfTopLevelObjects:] (in IDEInterfaceBuilderKit)
21 0x000000011178f761 -[IBDocument archivePlatformIndependentDataWithDocumentArchiver:] (in IDEInterfaceBuilderKit)
22 0x00000001119c4fbb -[IBStoryboardDocument archivePlatformIndependentDataWithDocumentArchiver:] (in IDEInterfaceBuilderKit)
23 0x000000011178f322 -[IBDocument archiveDocument:] (in IDEInterfaceBuilderKit)
24 0x00000001117c749d -[IBDocumentArchiver recurseWithElementNamed:forObject:kind:invokingBlock:] (in IDEInterfaceBuilderKit)
25 0x00000001117c7770 -[IBDocumentArchiver archiveDocument:withType:compatibilityVersion:] (in IDEInterfaceBuilderKit)
26 0x00000001117c7a5a -[IBDocumentArchiver dataFromArchiveDocument:withType:compatibilityVersion:] (in IDEInterfaceBuilderKit)
27 0x00000001117924d0 __46-[IBDocument fileWrapperOfType:options:error:]_block_invoke (in IDEInterfaceBuilderKit)
28 0x0000000111791e80 -[IBDocument fileWrapperOfType:options:error:] (in IDEInterfaceBuilderKit)
29 0x000000011179284c -[IBDocument fileWrapperOfType:error:] (in IDEInterfaceBuilderKit)
30 0x00007fff97904f57 -[NSDocument writeToURL:ofType:error:] (in AppKit)
31 0x0000000111781d31 -[IBDocument writeToURL:ofType:error:] (in IDEInterfaceBuilderKit)
32 0x00007fff97908053 -[NSDocument writeToURL:ofType:forSaveOperation:originalContentsURL:error:] (in AppKit)
33 0x0000000111784fc6 -[IBDocument writeToURL:ofType:forSaveOperation:originalContentsURL:error:] (in IDEInterfaceBuilderKit)
34 0x00007fff97906fbb -[NSDocument _writeSafelyToURL:ofType:forSaveOperation:forceTemporaryDirectory:error:] (in AppKit)
35 0x00007fff97907ce3 -[NSDocument _writeSafelyToURL:ofType:forSaveOperation:error:] (in AppKit)
36 0x00007fff97907e51 -[NSDocument writeSafelyToURL:ofType:forSaveOperation:error:] (in AppKit)
37 0x000000010821f21f -[IDEEditorDocument writeSafelyToURL:ofType:forSaveOperation:error:] (in IDEKit)
38 0x00007fff97915115 __66-[NSDocument saveToURL:ofType:forSaveOperation:completionHandler:]_block_invoke_22307 (in AppKit)
39 0x00007fff97915016 __66-[NSDocument saveToURL:ofType:forSaveOperation:completionHandler:]_block_invoke2304 (in AppKit)
40 0x00007fff97913436 __66-[NSDocument saveToURL:ofType:forSaveOperation:completionHandler:]_block_invoke2176 (in AppKit)
41 0x00000001083cb887 __50-[IDEEditorDocument continueFileAccessUsingBlock:]_block_invoke74 (in IDEKit)
42 0x00007fff978fe999 -[NSDocument continueFileAccessUsingBlock:] (in AppKit)
43 0x0000000108203aac -[IDEEditorDocument continueFileAccessUsingBlock:] (in IDEKit)
44 0x00007fff9790e884 __101-[NSDocument _fileCoordinator:asynchronouslyCoordinateReadingContentsAndWritingItemAtURL:byAccessor:]_block_invoke_2 (in AppKit)
45 0x00000001083cbc28 __68-[IDEEditorDocument continueAsynchronousWorkOnMainThreadUsingBlock:]_block_invoke (in IDEKit)
.
.
.
我该如何解决崩溃问题？