What is the root cause of this crashes?

  • Foundation0x1ae6bead0

    -[NSISEngine tryToAddConstraintWithMarker:expression:mutuallyExclusiveConstraints:]

  • Foundation0x19d1de770

    -[NSLayoutConstraint _addLoweredExpression:toEngine:lastLoweredConstantWasRounded:mutuallyExclusiveConstraints:]

  • Foundation0x19d1de044

    -[NSLayoutConstraint _addToEngine:mutuallyExclusiveConstraints:]

  • UIKitCore0x1b893632c

    -[UIView(UIConstraintBasedLayout) _layoutEngine_didAddLayoutConstraint:roundingAdjustment:mutuallyExclusiveConstraints:]

  • UIKitCore0x25d7f278c

    -[UIView(UIConstraintBasedLayout) _tryToAddConstraintWithoutUpdatingConstraintsArray:roundingAdjustment:mutuallyExclusiveConstraints:]

  • UIKitCore0x25d7f2e84

    -[UIView(UIConstraintBasedLayout) nsli_addConstraint:]

  • UIKitCore0x1da4dc97c

    -[UILayoutGuide nsli_addConstraint:]

  • UIKitCore0x1d994c8b8

    -[_UINavigationBarContentViewLayout initWithContentView:]

  • UIKitCore0x1d9945674

    -[_UINavigationBarContentView _newLayout]

  • UIKitCore0x1d994a034

    -[_UINavigationBarContentView recordFromStateForTransition:]

  • UIKitCore0x1d9955168

    -[_UINavigationBarTransitionContext recordUpdates:]

  • UIKitCore0x2484b9968

    -[_UINavigationBarVisualProviderModernIOS _performAnimationWithTransitionCompletion:transition:]

  • UIKitCore0x2484710b0

    -[UINavigationBar _pushNavigationItem:transitionAssistant:]

  • UIKitCore0x248470844

    -[UINavigationBar _pushNavigationItemUsingCurrentTransition:]

  • UIKitCore0x2484709cc

    -[UINavigationBar pushNavigationItem:animated:]

  • UIKitCore0x24846b324

    -[UINavigationBar _performUpdatesIgnoringLock:]

  • UIKitCore0x248470ac8

    -[UINavigationBar _pushNavigationItem:transition:]

  • UIKitCore0x24860f354

    __71-[UINavigationController pushViewController:transition:forceImmediate:]_block_invoke

  • UIKitCore0x24860f4d0

    __71-[UINavigationController pushViewController:transition:forceImmediate:]_block_invoke.1809

  • UIKitCore0x24860c13c

    -[UINavigationController _startDeferredTransitionIfNeeded:]

  • UIKitCore0x1d856120c

    -[UINavigationController __viewWillLayoutSubviews]

  • UIKitCore0x1d854441c

    -[UILayoutContainerView layoutSubviews]

  • UIKitCore0x1c1aafe50

    -[UIView(CALayerDelegate) layoutSublayersOfLayer:]

  • QuartzCore0x1b218e1ec

    -[CALayer layoutSublayers]

  • QuartzCore0x1b2193194

    CA::Layer::layout_if_needed

  • QuartzCore0x1b20f60a4

    CA::Context::commit_transaction

  • QuartzCore0x1b2124104

    CA::Transaction::commit

  • QuartzCore0x1b0a45284

    CA::Transaction::release_thread

  • libsystem_pthread0x1bf0374b0

    _pthread_tsd_cleanup

  • libsystem_pthread0x1bf034900

    _pthread_exit

  • libsystem_pthread0x1ac241504

    _pthread_wqthread_exit

  • libsystem_pthread0x1ac241148

    _pthread_wqthread
Up vote post of willy.moral Down vote post of willy.moral
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willy.moral
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Guessing root cause is one or more unresolved auto layout constraints caused by one or more invalid values such as 0 height labels, borked compact layout orientation change compatibility, unsupported -navbar- width, etc. etc.


Can you show some code with your navbar settings?


Might be a bug, tho, according to anecdotal similar reports, but that depends on which Xcode and iOS you're working with - if you're not using any 3rd party tools/SDKs, I'd report one, adding your report # to your thread for reference, and see what comes back.

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KMT
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Guessing root cause is one or more unresolved auto layout constraints caused by one or more invalid values such as 0 height labels, borked compact layout orientation change compatibility, unsupported -navbar- width, etc. etc.


Can you show some code with your navbar settings?


Might be a bug, tho, according to anecdotal similar reports, but that depends on which Xcode and iOS you're working with - if you're not using any 3rd party tools/SDKs, I'd report one, adding your report # to your thread for reference, and see what comes back.

Posted by
KMT
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