Fatal error: Uncaught Error: Call to undefined function add_filter() in /users/robiniffert95/www/gustavguns/wp-content/plugins/pelicula-core/inc/core-dashboard/rest/rest.php:18 Stack trace: #0 /users/robiniffert95/www/gustavguns/wp-content/plugins/pelicula-core/inc/core-dashboard/rest/rest.php(26): PeliculaCoreDashboardRestAPI->__construct() #1 /users/robiniffert95/www/gustavguns/wp-content/plugins/pelicula-core/inc/core-dashboard/rest/rest.php(59): PeliculaCoreDashboardRestAPI::get_instance() #2 {main} thrown in /users/robiniffert95/www/gustavguns/wp-content/plugins/pelicula-core/inc/core-dashboard/rest/rest.php on line 18