Seems open tickets is only showing the unassigned tickets for me for some reason. Instead of all ticket statuses.
May I suggest to do a bit of adjustments thru the Ticket Settings?
https://help.comodo.com/topic-289-1-625-7861-Ticket-Settings-and-Options.html
Also, something to consider while you are in there.
https://help.comodo.com/topic-289-1-625-7868-Ticket-Filters.html