Warning: require_once(/var/www/php/database-notify.php): Failed to open stream: Permission denied in /var/www/config.php on line 24

Fatal error: Uncaught Error: Failed opening required '/var/www/php/database-notify.php' (include_path='.:/usr/share/php') in /var/www/config.php:24 Stack trace: #0 /var/www/index.php(27): require_once() #1 {main} thrown in /var/www/config.php on line 24