Here we would like to draw your attention to S_ALR_87013539 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).S_ALR_87013539 is a transaction code used for Project Version Comparison: Plan in SAP.
It comes under the package KAP1.
Transaction S_ALR_87013539 technical data table
|Purpose||Project Version Comparison: Plan|