Fatal error: Uncaught Error: Call to undefined function _S() in /opt/osticket/osTicket-develop/include/class.mailer.php:635 Stack trace: #0 /opt/osticket/osTicket-develop/include/class.mailer.php(673): osTicket\Mail\Mailer->send() #1 /opt/osticket/osTicket-develop/bootstrap.php(342): osTicket\Mail\Mailer::sendmail() #2 /opt/osticket/osTicket-develop/bootstrap.php(228): Bootstrap::croak() #3 /opt/osticket/osTicket-develop/main.inc.php(28): Bootstrap::connect() #4 /opt/osticket/osTicket-develop/scp/staff.inc.php(20): require_once('...') #5 /opt/osticket/osTicket-develop/scp/tickets.php(17): require('...') #6 /opt/osticket/osTicket-develop/scp/index.php(17): require('...') #7 {main} thrown in /opt/osticket/osTicket-develop/include/class.mailer.php on line 635