Here we would like to draw your attention to OPUO transaction code in SAP. As we know it is being used in the SAP PS-DAT (Dates in PS) component which is coming under PS module (Project Systems).OPUO is a transaction code used for Project schedule overviews in SAP.
It comes under the package CN_PSP_TRM.
Transaction OPUO technical data table
|Purpose||Project schedule overviews|