FMRCN_ASSIGN_MAP is a standard SAP Table which is used to store assign Mapping to totals table data in SAP systems, such as SAP R/3, S/4HANA, depending on the version and release level.
The FMRCN_ASSIGN_MAP table consists of various fields, each holding specific information or linking keys about assign Mapping to totals table data available in SAP. These include MAPPING (Field mapping for FlexGL data provider reconciliation tool)... See below for full list along with technical details, documentation, text table, check tables, foreign key relationships, conversion routines, relevant tcodes and example ABAP select code etc. .