Fatal error: Uncaught Error: Call to undefined function add_filter() in /usr/local/lighthouse/softwares/wordpress/wp-config.php:95 Stack trace: #0 /usr/local/lighthouse/softwares/wordpress/wp-load.php(50): require_once() #1 /usr/local/lighthouse/softwares/wordpress/wp-blog-header.php(13): require_once('...') #2 /usr/local/lighthouse/softwares/wordpress/index.php(17): require('...') #3 {main} thrown in /usr/local/lighthouse/softwares/wordpress/wp-config.php on line 95