Here we would like to draw your attention to SREFH00 transaction code in SAP. As we know it is being used in the SAP BC-CUS (Customizing in Basis) component which is coming under BC module (BASIS).SREFH00 is a transaction code used for Change SAP Reference Structure in SAP.
It comes under the package SDFM.When we execute this transaction code, RBM_HIER_00 is the normal standard SAP program that is being executed in background.
Transaction SREFH00 technical data table
|Purpose||Change SAP Reference Structure|