Here we would like to draw your attention to OPTJ transaction code in SAP. As we know it is being used in the SAP PS-IS (Information System in PS) component which is coming under PS module (Project Systems).OPTJ is a transaction code used for Maintain PS Info Unit Conversion in SAP.
It comes under the package CNIS.
Transaction OPTJ technical data table
|Purpose||Maintain PS Info Unit Conversion|