I have already bought tickets but have problems and want to make changes

Did you already purchase tickets, but have problems and want to make changes? Contact the responsible ticket supplier.
The responsible ticket supplier will be on the event’s information page. If the ticket has been purchased through another ticket supplier, contact this supplier.

Responsible ticket suppliers in Oslo Spektrum:

Ticketmaster

Eventim
Eventim phone: +47 21 95 92 00