Solution : https://service.sap.com/sap/support/notes/480742 (SAP Service marketplace login required)
Key words :
e1idb02-fiikonto reason, attached program correction, bank control key, account number field, account number, program rffoedi1, e1idb02 segment, bank details, house bank, account numbers
Related Notes :
548681 | RFFOEDI1:Bank account number is displayed incorrectly |
481137 | CONVERT_HOUSEBANK_ACCOUNT_NUM: Export parameter |
115002 | DME for house bank account numbers w/more than 18 digits |