Warning: require(staff.inc.php): Failed to open stream: No such file or directory in /var/www/ticketstec.untref.edu.ar/ajax.php on line 25

Fatal error: Uncaught Error: Failed opening required 'staff.inc.php' (include_path='.:/usr/share/php') in /var/www/ticketstec.untref.edu.ar/ajax.php:25 Stack trace: #0 {main} thrown in /var/www/ticketstec.untref.edu.ar/ajax.php on line 25