W3 Total Cache Error: some files appear to be missing or out of place. Please re-install plugin or remove /home/schopfdj/public_html/wp-content/advanced-cache.php.

Warning: Cannot modify header information - headers already sent by (output started at /home/schopfdj/public_html/wp-content/advanced-cache.php:30) in /home/schopfdj/public_html/wp-includes/pluggable.php on line 1450

Warning: Cannot modify header information - headers already sent by (output started at /home/schopfdj/public_html/wp-content/advanced-cache.php:30) in /home/schopfdj/public_html/wp-includes/pluggable.php on line 1453