Here we would like to draw your attention to OPPD transaction code in SAP. As we know it is being used in the SAP PP-MRP (Material Requirements Planning – PP) component which is coming under PP module (Production Planning).OPPD is a transaction code used for Customizing Planning Time Fence in SAP.
It comes under the package MD0C.
Transaction OPPD technical data table
|Purpose||Customizing Planning Time Fence|