The application crashes when pressing one of the icons provided by the application

Excpected behavior

The application runs normally and does not stop itself when using it

Actual Behavior

After I open, the Application stops itself after pressing one of the icons in this app

How To Reproduce

• Download and open the application
• Please press on the icon at the top of the screen
• you will see the application crash

Browser: Comfort Reader
Operating system: Android 4.4.4
App Version : 1.3

Recording Of The Bug