Here we would like to draw your attention to CNV_MCR transaction code in SAP. As we know it is being used in the SAP CA-GTF (General Application Functions in CA) component which is coming under CA module (Cross Application).CNV_MCR is a transaction code used for Rebuilding matchcodes in SAP.
It comes under the package CNV_BASIS.When we execute this transaction code, CNV_00001_MATCHCODE_RECRE is the normal standard SAP program that is being executed in background.
Transaction CNV_MCR technical data table
Some Basic Questions & Answers
Program named CNV_00001_MATCHCODE_RECREATE will run when we enter transaction code CNV_MCR.
CNV_MCR is a Report Transaction code type which is shortly represented as R.