Here we would like to draw your attention to RSA18 transaction code in SAP. As we know it is being used in the SAP BW-WHM (Warehouse Management in BW) component which is coming under BW module (Business Warehouse). RSA18 is a transaction code used for DW Workbench: Open Hub Destination in SAP.
It comes under the package for Data Warehousing Workbench (RSAWBN). When we execute this transaction code, RS_START_AWB is the normal standard SAP program that is being executed in background. Transaction code RSA18 is included in the SAP component for SAP_BW.
Transaction RSA18 technical data table
|Usage||DW Workbench: Open Hub Destination|