Thats what you added as your lightning address (no idea how you generated that string. Don’t use the “Wallet” tab in the settings of Damus!):
nostr+walletconnect://69effe7b49a6dd5cf525bd0905917a5005ffe480b58eeb8e861418cf3ae760d9?relay=wss://relay.getalby.com/v1&secret=78f5861f293886b1a3b718c6e87538911ec63272b1e0e7f6bcc43033d61f4a8d&lud16=redshape3@getalby.com
But it has to look like this:
Username@getalby.com
Go to getalby.com with your browser, create an account and copy the lightning address.
Here a series of 3 screenshots where to add this:
