Did you check if the website was not accidentally blocked in your Alby settings? I assume you used the same account as always in the extension with the private key.
Happy to help via support@getalby.com
Discussion
I checked absoltuly everything 3x, to the point of insanity. I saw on Reddit others were having the same issue. loved the idea of Alby, and nostr is still small so you have time to turn this around.