Bought a year subscription for 990 SEK and now spotify has canceled by premium service.

[Starfishlover]

When I received a new card I needed to update my payment info so that the monthly subscription continued as usual. When I started with the process I was promted with a deal saying "pay 990 SEK for a full year subscription". Since it was cheaper than paying 99 SEK per month I signed the deal and used my new card to pay for it. The money was drawn from my account, and I could start using spotify premium again. 

However, after a few days premium stopped working on and off. Now it's completely stopped and tells me that my monthly subscription has stopped and that I need to update my payment info. 

I don't know what to do. I've already played lots of money for a service I am not getting, I don't want to update my payment info AGAIN so that spotify can doublecharge me. Especially since they do not seem to have any customer support?

Any guidance on this? 

My username is starfishlover