title: Custom Tab Bar using storyboard
body: <p>Hello am experienced iOS Developer but new to storyboard, so am using custom tab bar in storyboard  using custom segue which works fine (i can do successful switch to the desired tab).
      But when i wan to add more controllers to the selected Tab using "show" or "push" segue my app crash. I googled many hours but did not find any solution. Any one help me how to resolve this issue .<img src="https://i.stack.imgur.com/LrcFW.png" alt="enter image description here"></p>
  
  <p>From the above image the Main Report VC is the Tab Controller which i added via custom segue now i wan to push the right one controller colored red to the tab controller, but it crash my app.</p>