I have turned on supply planning in our sandbox environment with multiple locations. I have set items to MRP planned, and created location planning profiles. Now I can no longer see the checkbox to auto calculate safety stocks. Because I have multiple locations, am I required to set a safety stock number for each item and each location? The checkbox to auto calculate does not appear on the form, or in the CSV Import map and the safety stock level days is greyed out. likewise, the preferred stock level check box for autocalculate is