Solution : https://service.sap.com/sap/support/notes/481137 (SAP Service marketplace login required)
Key words :
parametersexport parameter reference field reference typee_refzl char27e_bkont reguh_bf-ubkonimplement, import parameterimport parameter reference field reference typei_refzl char27, house bank account number reason, attached source code corrections, symptom export parameters, function module convert_housebank_account_num, terms convert_housebank_account_num, program error, solution release 4, releases change
Related Notes :
480742 | RFFOEDI1: Long house bank account number missing in IDoc |
115002 | DME for house bank account numbers w/more than 18 digits |