title: Can't change the size of a TableView in Interface Builder
body: <p>I'm trying to change the size of a tableView I have in interface builder and can't seem to. When I first started the app I could drag it around and stretch the sides but all of a sudden I can't adjust it. I tried to delete my tableView and add a new one but the same thing happened. Thanks in advance. Here's what I see when I try to change the size: 
  <img src="https://i.stack.imgur.com/sJTmy.png" alt="enter image description here"></p>