Here we would like to draw your attention to OFC2 transaction code in SAP. As we know it is being used in the SAP FI-FM (Funds Management in FI) component which is coming under FI module (Financial Accounting). OFC2 is a transaction code used for Nummernkreispflege: FM_BELEGCO in SAP.
It comes under the package for CO FM Integration (Core Objects) (FMCO_CORE). When we execute this transaction code, SAPMSNUM is the normal standard SAP program that is being executed in background. Transaction code OFC2 is included in the SAP component for SAP_FIN.
Transaction OFC2 technical data table