Fatal error: Uncaught Error: Call to undefined function add_action() in /home/www/barrat/wp-content/plugins/ag-custom-admin/plugin.php:40 Stack trace: #0 /home/www/barrat/wp-content/plugins/ag-custom-admin/plugin.php(28): AGCA->__construct() #1 {main} thrown in /home/www/barrat/wp-content/plugins/ag-custom-admin/plugin.php on line 40