Fatal error: Uncaught Error: Call to undefined function MasterAddons\Inc\Classes\add_action() in /var/www/html/wordpress/wp-content/plugins/master-addons/inc/classes/assets-manager.php:12 Stack trace: #0 /var/www/html/wordpress/wp-content/plugins/master-addons/inc/classes/assets-manager.php(308): MasterAddons\Inc\Classes\Master_Addons_Assets->__construct() #1 /var/www/html/wordpress/wp-content/plugins/master-addons/inc/classes/assets-manager.php(315): MasterAddons\Inc\Classes\Master_Addons_Assets::get_instance() #2 {main} thrown in /var/www/html/wordpress/wp-content/plugins/master-addons/inc/classes/assets-manager.php on line 12