Here we would like to draw your attention to O04C transaction code in SAP. As we know it is being used in the SAP PP-PI (Production Planning for Process Industries – PP) component which is coming under PP module (Production Planning).O04C is a transaction code used for PI: Message Control Purchasing in SAP.
It comes under the package CIIC.
Transaction O04C technical data table
|Purpose||PI: Message Control Purchasing|