How To Fix TU060 - Change to budget billing amount not possible with this function

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 060

• Message text: Change to budget billing amount not possible with this function

What causes this issue?

You have tried to use the function <LS>Change budget billing amount</>
to change the budget billing amount from a certain adjustment date
onwards for all due dates together. This function cannot be executed,
since some of the due dates selected have clearing information or have
already been printed.

System Response

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

How to fix this error?

Change the amounts by entering the new amounts for the due dates that
can still be changed.

Error message extract from SAP system. Copyright SAP SE.