Fatal error: Uncaught Error: Call to undefined function add_action() in /users/robiniffert95/www/gustavguns/wp-content/plugins/pelicula-core/inc/header/layouts/vertical-sliding/dashboard/admin/vertical-sliding-header-options.php:129 Stack trace: #0 {main} thrown in /users/robiniffert95/www/gustavguns/wp-content/plugins/pelicula-core/inc/header/layouts/vertical-sliding/dashboard/admin/vertical-sliding-header-options.php on line 129