Diagnosis
The plant that you entered in the Workbench does notcorrespond to the plant to which the MRP area is assigned. Change theplant in the Workbench.
If you do not want to assign the MRP area to another plant, you mustdelete the existing MRP area and then create it from the StructuresWorkbench with the new plant.
You delete the MRP area using transaction /ISDFPS/BERID_DELE. Youcannot delete the MRP area if it is still assigned to a force element(indicator "Accountable" or "Stockholding" empty on the "Stock
/Provisions" tab page) or if material master data is maintained for theMRP area.