Bug report : MaterialFBook application : Notification setting is not working

Expected behavior

The notification setting should work

Actual behavior

In fact, notification settings do not work. It says the internet connection does not exist. Though I have a good internet connection

How to reproduce

• Download the Application in F droid
• Launch App
• login to your facebook account
• Click on the notification icon
• Then click on the settings icon on the right side of the screen
• It said, not internet connection

Device used: Samsung Grand prime SM-G530
Operating System: Android version 4.4.4
Application version: 3.7.5

Recording Of The Bug