Unable to turn off payment method in Apple Account

To find out how to remove a payment method, and what to do if you can't remove your last payment method or use no payment method with your Apple ID, read this article ➔ Remove a payment method from your Apple Account - Apple Support

Unexpired subscriptions, outstanding balances and Family Sharing organizers must always have a payment method present. To edit the cards used for those you may need to first add the new card and move it to the top payment method position before removing the old card (see: If you need to change or update your Apple Account payment method - Apple Support ).