It looks like your using some kinda 3rd party service like a exchange or swap.. I suggest downloading zeus.  You can run a mini lightning node off your phone and get a justin@zeus.com as your lnurl. That or run a node like how I suggested previously lol. 

https://image.nostr.build/9ae6d00958a90657a46be578e0bf0e66ec409ac22dd78d2894eca01015fd30e6.jpg