Revel Integration Integrity error?
It could be that you may have the wrong pos station ids in your mapping section. As an example you may have syncd to /resources/PosStation/25/ rather than the default one in the map
As a default in our ready made maps we default to 2 ( /resources/PosStation/2/) So please ensure the POS Number is correspond to the Establishment you want to sync to.
or This can occur if you have not entered customer details in the Online order