Card exchange does not start and app displays blank screen and exits afterwards

Expected behavior

Application is expected to search for nearby cards to begin sharing with once the sharing button is pressed.

Actual behavior

Application keeps giving this sorry exchange cannot be started error after which the application shows a blank screen and quits.

How to reproduce

To reproduce the bug,

1. Go to google play store, search card case
2. Download the application and register
3. Go to the home page and click the exchange button on the lower right of the screen.

The error message will appear

• Phone model: Techno Spark K7
• Operating system: Android 7.0
• App Version: 1.0.4
• Update Date: January 3, 2018.

Recording Of The Bug