Problem in server manager

Hi ,
Thanks for providing gps tracker software.
When i configure Traccar server and traccar client its work perfectly but when i trying traccar manager i facing same problem as mention https://github.com/tananaev/traccar/issues/2895.
I try to troubleshot but not success so kindly suggest

My server platform: AZURE
OS: Ubuntu 16.04_64
PORT Open: 8082,80,8080,5055
Traccar Client : latest from google playstore.
Tracecar Server: 3.11 from https://www.traccar.org/download/
Traccar Maneger: 2.2 from google playstore.

What's the URL that you are using in Traccar Manager? Does it work if you open same URL in the browser on the same mobile device?

Yes, same device mobile and same url open on chrome web browser its work.

my url: http://azure4612.cloudapp.net:8082/

kindly help me on it.

Well, it doesn't open for me.