Results of iterative activity price calculation have been posted

What causes this issue?

You called up activity price calculation with update in addition to
activating updating of results based on iteration. Because the
transaction was completed successfully, the values are now updated.

System Response

The activity prices calculated iteratively are updated.
The activity inputs are revalued.
If some exchanges of activities are not fully reconciled, the SAP
System valuates the undetermined debit.

Error message extract from SAP system. Copyright SAP SE.