Problem dashboard - by: lblaise

Hello, I have an error message when I want to go to the dashbord Ticket

I don't understand

Here's the log files
2017-04-07 17:58:38.515 ***** ERROR ***** ERROR *****
2017-04-07 17:58:38.515 ***** ERROR ***** on file '/var/www/html/projeqtor/view/dashboardTicketMain.php' at line (192)
2017-04-07 17:58:38.515 ***** ERROR ***** cause = Invalid argument supplied for foreach()