What it's the root cause of this crashes? CTI-IOS-M4

CTI-IOS-M4

EXC_BAD_ACCESS

enumerateIndexesUsingBlock: > markedConstraint > pointSize >

Attempted to dereference garbage pointer 0x42b37ddb0.



libobjc.A 0x1b37df530 objc_msgSend Foundation

Foundation 0x1ac0f2390 -[NSISEngine outgoingRowHeadForRemovingConstraintWithMarker:outgoingRowHead:]

Foundation 0x1ac0b6238 -[NSISEngine removeConstraintWithMarker:]

UIKitCore 0x1ac0b5ec0 -[NSLayoutConstraint _removeFromEngine:]

UIKitCore 0x1d8032658 -[UIView(UIConstraintBasedLayout) _layoutEngine_willRemoveLayoutConstraint:]

UIKitCore 0x1d80332a8 -[UIView(UIConstraintBasedLayout) nsli_removeConstraint:]

UIKitCore 0x1d80331c0 -[UIView(UIConstraintBasedLayout) _removeConstraint:]

Foundation 0x1d80334b8 __53-[UIView removeConstraints:]_block_invoke

UIKitCore 0x1ac0a6b30 -[NSISEngine withBehaviors:performModifications:]

UIKitCore 0x1d8033380 -[UIView(UIConstraintBasedLayout) removeConstraints:]

UIKitCore 0x1d80446f0 -[UIView(AdditionalLayoutSupport) _snipDangliesWithForce:repairIfPossibleForViewThatMoved:newSuperview:oldSuperview:]

UIKitCore 0x1d8044388 _UIViewRemoveConstraintsMadeDanglyByChangingSuperview

Foundation 0x1d80e2a4c __45-[UIView _postMovedFromSuperview:]_block_invoke

UIKitCore 0x1ac0a6b30 -[NSISEngine withBehaviors:performModifications:]

UIKitCore 0x1d80e2988 -[UIView(Hierarchy) _postMovedFromSuperview:]

UIKitCore 0x1b9bcca8c __UIViewWasRemovedFromSuperview

UIKitCore 0x1d80e0574 -[UIView(Hierarchy) removeFromSuperview]

UIKitCore 0x1c558e0cc -[_UIButtonBar _layoutBar]

UIKitCore 0x1d746c508 -[_UIButtonBarStackView updateConstraints]

UIKitCore 0x1d80403f8 -[UIView(AdditionalLayoutSupport) _sendUpdateConstraintsIfNecessaryForSecondPass:]

UIKitCore 0x1d80408a0 -[UIView(AdditionalLayoutSupport) _updateConstraintsIfNeededCollectingViews:forSecondPass:]

Foundation 0x1d804077c -[UIView(AdditionalLayoutSupport) _updateConstraintsIfNeededCollectingViews:forSecondPass:]

UIKitCore 0x1ac0a6b30 -[NSISEngine withBehaviors:performModifications:]

UIKitCore 0x1d8040fb8 __100-[UIView _updateConstraintsIfNeededWithViewForVariableChangeNotifications:]_block_invoke

UIKitCore 0x1d803fac8 -[UIView(AdditionalLayoutSupport) _withUnsatisfiableConstraintsLoggingSuspendedIfEngineDelegateExists:]

UIKitCore 0x1d8040bd8 -[UIView(AdditionalLayoutSupport) _updateConstraintsIfNeededWithViewForVariableChangeNotifications:]

UIKitCore 0x1d8041a5c -[UIView(AdditionalLayoutSupport) _updateConstraintsAtEngineLevelIfNeededWithViewForVariableChangeNotifications:]

UIKitCore 0x1d80e4874 -[UIView(Hierarchy) _updateConstraintsAsNecessaryAndApplyLayoutFromEngine]

QuartzCore 0x1d80f7e50 -[UIView(CALayerDelegate) layoutSublayersOfLayer:]

QuartzCore 0x1afbba1ec -[CALayer layoutSublayers]

QuartzCore 0x1afbbf194 CA::Layer::layout_if_needed

QuartzCore 0x1afb220a4 CA::Context::commit_transaction

QuartzCore 0x1afb50104 CA::Transaction::commit

libsystem_pthread 0x19766d284 CA::Transaction::release_thread

libsystem_pthread 0x1ab34f4b0 _pthread_tsd_cleanup

libsystem_pthread 0x1bd390900 _pthread_exit

libsystem_pthread 0x223a01504 _pthread_wqthread_exit

0x223a01148 _pthread_wqthread


Thanks in advance for any question just let me know.