How To Fix TU864 - The new cumulated amount cannot be lower than the proposal

SAP Error Message - Details

• Message type: E = Error

• Message class: TU - Billing/Scheduling/Budget Billing

• Message number: 864

• Message text: The new cumulated amount cannot be lower than the proposal

What causes this issue?

You wanted to change the cumulated payment plan amount. This change is
not admissible, since the new cumulated amount cannot be lower than the
current cumulated payment plan amount.

System Response

The transaction is terminated

How to fix this error?

Enter a new payment plan amount that is higher than the current one.
Enter a reason for changing the amount in the Change Reason field. In
the Customizing settings for the payment plan (table TE641), deselect
the Reduction of Payment Plan Amount Not Permitted indicator if it is
set.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.