ios - UINavigationController nested Inside UINavigationController (UITabbarController more tab) -


i'm having issue have uinavigationcontroller tab on uitabbarcontroller. works when it's normal tab on tab bar, when placed inside more tab , selected app crashes message "nsinvalidargumentexception', reason: '*** -[__nsplaceholderarray initwithobjects:count:]: attempt insert nil object objects[0]"

is because there nested uinavigationcontrollers? here image of call stack.

enter image description here


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