Here we would like to draw your attention to MR01 transaction code in SAP. As we know it is being used in the SAP MM-IV (Invoice Verification in MM) component which is coming under MM module (Material Management).MR01 is a transaction code used for Process Incoming Invoice in SAP.
It comes under the package MR.When we execute this transaction code, SAPMM08R is the normal standard SAP program that is being executed in background.
Transaction MR01 technical data table
|Purpose||Process Incoming Invoice|