FMLGD_STRUC_ERROR_EXIT 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 "Clearing Control: Interface for Error Control" 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_FMLGD_STRUC_ERROR_EXIT TYPE FMLGD_STRUC_ERROR_EXIT.
The FMLGD_STRUC_ERROR_EXIT table consists of various fields, each holding specific information or linking keys about Clearing Control: Interface for Error Control data available in SAP. These include VGNEW (Posting rule), BUKRS (Company Code), KUNNR (Customer Numbers), LIFNR (Account Number of Vendor or Creditor)... 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. .