Take App keeps on saying the https://pos.snapscan.io/qr/FGByb9pZ is not a valid Snapscan ID, which it is - check multiple times with Snapscan
The Take App format: Enter your Snapscan URL, e.g. https://pos.snapscan.io/qr/ABCD0123
Everything is correct on Snapscan side- to refer me to Take App to check on their side.