Fatal error: Uncaught Error: Call to undefined function add_filter() in /home/clients/de54c7e9f1e9b2f516f1b2d8cb77a623/web/wp-content/themes/gea-maintenance/functions.php:7 Stack trace: #0 {main} thrown in /home/clients/de54c7e9f1e9b2f516f1b2d8cb77a623/web/wp-content/themes/gea-maintenance/functions.php on line 7