title: How Can I solve this problem in my wordpress site Fatal error: Cannot redeclare true_plugins_activate() (previously declared in
body: <p>I tried installing wp page builder on my WordPress site and then my site went blanked i tried to delete it from the back end still didn't work and it was displaying this error message.</p>
  
  <p><strong>see the error message displayed in my homepage:</strong> </p>
  
  <blockquote>
    <p>Fatal error: Cannot redeclare true_plugins_activate() (previously declared in /home/nairtzdf/www.mywebsite.ng/wp-includes/functions.php:7175) in /home/nairtzdf/www.mywebsite.ng/wp-includes/functions.php on line 7226</p>
  </blockquote>
  
  <p><strong>and here is the error message displayed in wp-admin page:</strong> </p>
  
  <blockquote>
    <p>W3 Total Cache Error: some files appear to be missing or out of place. Please re-install plugin or remove /home/nairtzdf/www.mywebsite.ng/wp-content/advanced-cache.php.</p>
  </blockquote>