Billing problem

There’s no payment method but you’ll need to see what’s stopping you from using “none”

If you can't remove your last payment method or use no payment method with your Apple ID

https://support.apple.com/en-ca/HT203905

Payment methods that you can use with your Apple ID

https://support.apple.com/en-ca/HT202631

No cards? you can try this path:--> Redeem App Store & iTunes Gift Cards and content codes - Apple Support

Regards

Giulio