Why do I get this error "SObject row was retrieved via SOQL without querying the requested field: Contact.AccountId Trace: (AAkPay)" when i try to make a token payment on Recurring payment record.

a. This error usually occurs when the account field for the recurring payment object is empty. If you update this record on the recurring payment record then you should be able to make a token payment.

b. This error has been fix in our new release. Please check and update your Payments2Us version to the latest release.