Hey guys!
Sorry to hear you're having trouble.
Have you set the Primary Nintendo Switch Console for a Nintendo Account?
If you're still having trouble after completing those steps, please contact us through our Support Site or Facebook and Twitter so we can take a closer look.
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I was having issues with being able to purchase the unlimited subscription and chatted with Nintendo Support and they were able to solve it!
1. In the Nintendo eShop on Nintendo Switch, search for Just Dance 2020
2. Click into the game
3. Then scroll down to the section "Available Passes"
4. Click "Just Dance Unlimited" and select the subscription term of your choice
5. After your purchase, load the game and it will automatically update your subscription
I bought the Just Dance 2020 cartridge and this worked for me. I hope it works for you too!
Thanks to rockeyraccoon, my issue is resolved. I followed the below steps that he provided.
1. In the Nintendo eShop on Nintendo Switch, search for Just Dance 2020
2. Click into the game
3. Then scroll down to the section "Available Passes"
4. Click "Just Dance Unlimited" and select the subscription term of your choice
5. After your purchase, load the game and it will automatically update your subscription