RFICO_MESSAGE is a standard SAP Structure so does not store data like a database table does. It can be used to define the fields of other actual tables or to process "Structure Error Messages in Condition Determination" Information within sap ABAP programs. This is done by declaring abap internal tables, work areas or database tables based on this Structure. These can then be used to store and process the required data appropriately. i.e. DATA: wa_RFICO_MESSAGE TYPE RFICO_MESSAGE.
The RFICO_MESSAGE table consists of various fields, each holding specific information or linking keys about Structure Error Messages in Condition Determination data available in SAP. These include MSGNO (Message Number), MSGV1 (Message Variable), MSGV2 (Message Variable), MSGV3 (Message Variable)... 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. .