Solution : https://service.sap.com/sap/support/notes/740863 (SAP Service marketplace login required)
Key words :
unicode conversion, /1BEA/RS_FBCB_TRUSTEE_EXT, /1BEA/RS_FBCB_BILLER_EXT, /1BEA/RS_FBCB_CUSTOMER_EXT, /1BEA/RS_FBCB_BANK_B_EXT, /1BEA/RS_FBCB_BANK_C_EXT
Related Notes :
1319517 | Unicode Collection Note |
837173 | RADCUCNT in Unicode Conversion: Collective Note |