Qarma app needs to have access to your device's camera to function properly. Please go to settings on your device, and scroll down until you find the Qarma app and use this guide to give the app camera access.
Go to Setting on your IOS device and scroll down until the 'Qarma' app appears.
Tap on 'Qarma' app and make sure that the camera is switched on.
You are now able to use the camera function in the app.