I am terrible with constraints so sometimes use "Add Missing Constraints" or "Reset To Suggested Constraints" buttons.
But when I click on either one of them it gets an "Failed To Automatically Update Constraints" error.
Description of error:
Interface Builder encountered an internal error while attempting to automatically update constraints. Your most recent change has been automatically reverted.
A folder of diagnostics files has been created. Please file a bug at (apple bug report site) and attach an archive of the diagnostics folder.
For all other view controllers this works.
Link to Picture:
ibb.co/6vkPhHP
Thanks to all help!!