Yeah, there's some problem where I've added my original Nostr key already and then I can't log into lightning apps because the Nostr key isn't derived by the Master key. I'm not giving up this Nostr a...
Log in with lightning are unrelated to Nostr. I don’t know exactly what you did, but I assume you by accident created new master key (eg by reconnecting your account or reinstalling extension).
Remember, Alby does not have your keys and each time you connec your Alby Accounts you need to manually import our keys (Nostr and/or master key). Do you have your master key you used for lightning apps saved? Maybe try importing it
Remember, Alby does not have your keys and each time you connec your Alby Accounts you need to manually import our keys (Nostr and/or master key). Do you have your master key you used for lightning apps saved? Maybe try importing it