Warning: include(config.php): failed to open stream: No such file or directory in /var/www/html/action_purchase_event_items.php on line 7

Warning: include(): Failed opening 'config.php' for inclusion (include_path='.:/usr/share/php') in /var/www/html/action_purchase_event_items.php on line 7

Notice: Undefined index: id_seller in /var/www/html/action_purchase_event_items.php on line 13

Fatal error: Uncaught Error: Call to undefined function get_user_name() in /var/www/html/action_purchase_event_items.php:15 Stack trace: #0 {main} thrown in /var/www/html/action_purchase_event_items.php on line 15