Solution : https://service.sap.com/sap/support/notes/601222 (SAP Service marketplace login required)
Key words :
post check receipts, missing special input, attached source code, customer master data, bank key field, fi cash journal, entering bank country, cash journal, bank country, -time data
Related Notes :
652155 | FBCJ: FCJ006 'Enter a valid bank key for the bank country' |
624798 | FBCJ: BF00211 'Bank & & does not exist ' w/ checks |