SAP Message TU863 - The new amount for contract &1 cannot be lower than the proposal

Diagnosis
You want to change the payment plan amount for contract &1. This changeis not permitted since the new amount cannot be lower than or equal tothe proposed amount.

System Response
The transaction is terminated.

Procedure

  • Enter a new payment plan amount that is equal to or higher than the
  • current amount.
    • Enter a reason for changing the amount in the reason code field.

    • In the Customizing settings for the payment plan (table TE641) deselect
    • the Reduction of Payment Plan Amount Not Permitted indicator is set.