title: Mac OSX no valid sudoers sources found
body: <p>I am always getting this error. What is the solution ?</p>
  
  <p><a href="https://i.stack.imgur.com/OxoYm.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/OxoYm.png" alt="enter image description here"></a></p>