You will need to discuss this with Allianz directly. Allianz provides the ticket insurance available on our websites. You can speak to them at firstname.lastname@example.org or on 0345 641 9727.
If you've made a booking through Ticketmaster Theatre and opted for Booking Cancellation Protection, you will need to discuss this with TicketPlan directly. TicketPlan provides the ticket insurance available on Ticketmaster Theatre. You can reach them at https://www.ticketplangroup.com/