title: Warning: count(): Parameter must be an array or an object that implements Countable
body: <p>I'm currently getting this Error:</p>
  
  <blockquote>
    <p>Warning: count(): Parameter must be an array or an object that implements Countable in C:\xampp\htdocs\wordpress\wp-includes\theme.php on line 629</p>
  </blockquote>
  
  <p>and I don't have an Idea how to fix it. </p>