title: Error: Duplicate entry '' for key 'email'
body: <p>I have seen this error with people running php scripts before but this is happending to me in phpmyadmin ??</p>
  
  <pre><code>Error
  SQL query:
  
  UPDATE  `cl56-goldeng`.`users` SET `email` =  '' WHERE  `users`.`id` =118
  
  MySQL said: Documentation
  
  #1062 - Duplicate entry '' for key 'email' 
  </code></pre>
  
  <p>It works fine if I give the field another value, but if I clear the field and press enter I get the above error.</p>
  
  <p>The table itself looks like this :
  <a href="https://i.stack.imgur.com/B0TzM.jpg" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/B0TzM.jpg" alt="enter image description here"></a></p>