Here we would like to draw your attention to OPPH 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).OPPH is a transaction code used for Customizing Purchase Req. Conversion in SAP.
It comes under the package MD0C.
Transaction OPPH technical data table
|Purpose||Customizing Purchase Req. Conversion|