title: Custom Font saying (none installed) in an ios application
body: <p>i am new to swift and iOS and i am facing an issue with custom fonts provided by the application.
  i have added an font to the application but now when i go to assign it to any label or any text it doesn't allow to use custom font option by saying (none installed)</p>
  
  <p><a href="https://i.stack.imgur.com/jwayN.png" rel="nofollow noreferrer">enter image description here</a></p>