Here we would like to draw your attention to OKA2 transaction code in SAP. As we know it is being used in the SAP CO-OM (Overhead Cost Controlling in CO) component which is coming under CO module (Controlling).OKA2 is a transaction code used for Maintain Cost Center Categories in SAP.
It comes under the package KBAS.
Transaction OKA2 technical data table
|Purpose||Maintain Cost Center Categories|