@youtubemusic Although YouTube premium is charging for ad free music,but then I thought let's try it.I was not able to verify ,as there was some error .My details were correct then also showing errer.very disappointed.
You may be using an invalid payment method that's causing the issue despite putting in the right details. We'd recommend reaching out to our live support team here: https://yt.be/help/purchases . They can help get this resolved for you!