Have you considered the possibility that you are using the wrong key?
the same is happening with wss://nostr.nostrati.com
did these payments expire for some reason?
nostr:npub1qqqqqqqut3z3jeuxu70c85slaqq4f87unr3vymukmnhsdzjahntsfmctgs
Discussion
these are ones of the first relays that I payed for
I believe in the past I had access to them, but I can't guarantee this. I don't believe I used a wrong key because I only have one