Scan shows only a blank screen. (iOS)

When you first install Prep & Pantry, iOS will confirm that you want to give Prep & Pantry permission to access the camera. If you decline you will be faced with a blank screen when you try to scan a barcode.

To confirm that Prep & Pantry was given permission to use the camera. Go to Settings> Privacy> Camera and double check that Prep & Pantry is set to 'On'.

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