title: Fatal Error on Wordpress: Call to undefined function wp() in wp-blog-header.php
body: <p>I updated Wordpress to 4.2 this morning, and now I can't access my Wordpress site, gteam.org.</p>
  
  <p>I've searched the Wordpress help forum, but to no avail.</p>
  
  <p>Thoughts or help:</p>
  
  <p>Fatal error: Call to undefined function wp() in /home/team1874/public_html/wp-blog-header.php on line 14</p>