3 Replies
      Latest reply on Dec 10, 2019 10:38 AM by fghdfghfgh
      frameworker1974 Level 1 Level 1 (0 points)

        1. Open project created by prior Xcode version

        1. Changing editor orientation to "Below"

        2. File->New Editor Below

        ... the Editor appears below

        3. Closing the Editor above



        Bug exist in Xcode 11.2.0 and 11.2.1:


        Process:          Xcode [2848]
        Path:             /Applications/Xcode.app/Contents/MacOS/Xcode
        Identifier:       com.apple.dt.Xcode
        Version:          11.2.1 (15526.1)
        Build Info:       IDEFrameworks-15526001000000000~2
        Code Type:        X86-64 (Native)
        Parent Process:   ??? [1]
        Responsible:      Xcode [2848]
        User ID:          502


        Date/Time:        2019-11-10 10:34:17.280 +0100
        OS Version:       Mac OS X 10.14.6 (18G103)
        Report Version:   12
        Anonymous UUID:   D37BDC44-B14B-D06F-3A79-594167CDCA94



        Time Awake Since Boot: 10000 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:

        Sending removeSplitAction: to IDEEditorSplittingController from <DVTGradientImageButton: 0x7fc79c7b7d90>

        ProductBuildVersion: 11B53

        ASSERTION FAILURE in /Library/Caches/com.apple.xbs/Sources/IDEFrameworks/IDEFrameworks-15526.1/IDEKit/Editor/IDEEditorArea.m:607

        Details:  (navigationTargetedEditorContext) should not be nil.

        Object:   <IDEEditorArea: 0x7fc79c6938a0>

        Method:   -_updateNavigationTargetedEditorContextIsValidObservingToken

        Thread:   <NSThread: 0x7fc79841c640>{number = 1, name = main}


          0: Sending removeSplitAction: to IDEEditorSplittingController from <DVTGradientImageButton: 0x7fc79c7b7d90>


          0   -[IDEAssertionHandler handleFailureInMethod:object:fileName:lineNumber:assertionSignature:messageFormat:arguments:] (in IDEKit)

          1   _DVTAssertionHandler (in DVTFoundation)

          2   _DVTAssertionFailureHandler (in DVTFoundation)

          3   __76-[IDEEditorArea _updateNavigationTargetedEditorContextIsValidObservingToken]_block_invoke (in IDEKit)

          4   -[DVTObservingBlockToken observeValueForKeyPath:ofObject:change:context:] (in DVTFoundation)

          5   NSKeyValueNotifyObserver (in Foundation)

          6   NSKeyValueWillChange (in Foundation)

          7   NSKeyValueWillChangeWithPerThreadPendingNotifications.llvm.7538459074364299148 (in Foundation)

          8   DVTInvalidationCoreInvalidate (in DVTFoundation)