Can't redeem rewards because it requires phone number, and Microsoft keeps blocking me from adding my number

I tried to redeem the Bing rewards which told me that I need to add my phone number. I clicked on the link provided on that page (Add your phone number), tried adding the number, and since then I'm getting blocked over and over again with the following message:

"Try another verification method That verification method isn't working right now. Please try another method."

I tried adding my other number and yet it kept blocking me. I don't recall violating the terms and conditions. I remember adding my phone number as the security info which I removed later, but that should not stop me from adding the other number.

Please help me with the following.

1. Is there any other method to verify either of the numbers?
2. Is it possible to redeem the rewards without needing a number? It is really important to me right now.

Edit: The issue has been resolved now.