SAP Message 64653 - Account determination: Error when determining posting spec.for &1 &2 DOCUMENTATION NOTES DiagnosisPosting specifications for flow type &V1& and payment activityindicator &V2& could not be found.System ResponsePosting activity is cancelled.ProcedureCheck the account determination for flow type &V1& with paymentactivity indicator &V2&. 90044Posting to customer a/c: application & Customizing