[Thu Apr 20 20:33:22.181196 2017] [:error] [pid 14363] [client 10.100.210.6:53860] PHP Warning:  array_map(): An error occurred while invoking the map callback in /var/www/backoffice/include/class.variable.php on line 113, referer: http://backoffice/scp/tickets.php?id=5

[Thu Apr 20 20:33:22.181380 2017] [:error] [pid 14363] [client 10.100.210.6:53860] PHP Fatal error:  Uncaught exception 'OrmException' with message 'Ticket: last_update: Field not defined' in /var/www/backoffice/include/class.orm.php:382\nStack trace:\n#0 /var/www/backoffice/include/class.orm.php(386): VerySimpleModel->get('last_update', NULL)\n#1 /var/www/backoffice/include/class.ticket.php(1881): VerySimpleModel->__get('last_update')\n#2 /var/www/backoffice/include/class.variable.php(89): Ticket->getVar('last_update', Object(VariableReplacer))\n#3 /var/www/backoffice/include/class.variable.php(134): VariableReplacer->getVar(Object(Ticket), 'last_update.lon...')\n#4 /var/www/backoffice/include/class.variable.php(168): VariableReplacer->_resolveVar('ticket.last_upd...')\n#5 /var/www/backoffice/include/class.variable.php(115): VariableReplacer->_parse(' <span style="b...')\n#6 [internal function]: VariableReplacer->replaceVars(' <span style="b...')\n#7 /var/www/backoffice/include/class.variable.php(113): array_map(Array, Array)\n#8 /var/www/backoffice/include/class.osticket.php(147): VariableReplacer->replaceVars(Array in /var/www/backoffice/include/class.orm.php on line 382, referer: http://backoffice/scp/tickets.php?id=5