title: This is not a number error in phpMyAdmin
body: <p>I am trying to create a user table this way:</p>
  
  <p><img src="https://i.stack.imgur.com/gos1B.jpg" alt="Table creation"></p>
  
  <p>But I am getting this error:</p>
  
  <blockquote>
    <p>This is not a number</p>
  </blockquote>
  
  <p>What am I doing wrong?</p>