Here we would like to draw your attention to CJ02 transaction code in SAP. As we know it is being used in the SAP PS-ST (Structures in PS) component which is coming under PS module (Project Systems).CJ02 is a transaction code used for Change Work Breakdown Structure in SAP.
It comes under the package CN_PSP_OPR.When we execute this transaction code, SAPLCJWB is the normal standard SAP program that is being executed in background.
Transaction CJ02 technical data table
|Purpose||Change Work Breakdown Structure|