Fatal error: Uncaught TypeError: register_shutdown_function(): Argument #1 ($callback) must be a valid callback, function "shutdown" not found or invalid function name in /home/nodyss5/deploy/production/v23/config.php:81 Stack trace: #0 /home/nodyss5/deploy/production/v23/config.php(81): register_shutdown_function('shutdown') #1 /home/nodyss5/deploy/production/v23/modules/events-single.php(2): require_once('/home/nodyss5/d...') #2 {main} thrown in /home/nodyss5/deploy/production/v23/config.php on line 81