Here we would like to draw your attention to OVAW transaction code in SAP. As we know it is being used in the SAP SD-SLS (Sales in SD) component which is coming under SD module (Sales & Distribution).OVAW is a transaction code used for C SD Tab. PTM Item Category Groups in SAP.
It comes under the package VA0C.
Transaction OVAW technical data table
|Purpose||C SD Tab. PTM Item Category Groups|