SAP Message TU823 - The start date of the payment scheme is earlier than the move-in date

Diagnosis The start date of the payment plan for contract &V1& (start year: &V2&,start month: &V3&) is earlier than the move-in date &V4&. System Response You cannot create the payment plan. Procedure Change the start year and month so that the start date of the paymentplan is earlier than the move-in date.