SAP Message 63590 - Assignment of particip.IDs inconsistent with existing cost collectors

You have changed the assignment of the participation IDs for thesettlement unit in such a way that it is no longer possible to generatecost collectors from the existing settlement variants from the startdate of the assignment that are consistent with the cost collectorsalready generated. System Response The system currently does not allow such a change. Procedure Change the participation ID back to the "old" settlement unitassignment. It will be possible in a later release to change theperiods for cost collectors that have already been generated.