App is not working as expected – Hitlist Review

Hi, I installed this app a week ago and it was working when I initially downloaded it but after a week it’s not loading anything. When I try to login it says “authentication error” and when I try to search airports it’s says “error loading airports”. I’m not sure if the server is down or something but I would appreciate if someone can look into this.
Review by ~$3@n~ on Hitlist.