SAP Message /ISDFPS/FORCE203 - No WBS element assignment made for force element &1

Diagnosis The prerequisite check for status changes has revealed that no WBSelement is maintained for force element &SYST-MSGV1&. Procedure Call up a transaction, such as Material Organizational Basis(/ISDFPS/TEOM1), that contains the WBS Element tab page. Loadforce element &SYST-MSGV1&. On the WBS Element tab page,maintain the fields in the WBS element group box.