Solution : https://service.sap.com/sap/support/notes/1025658 (SAP Service marketplace login required)
Key words : 
source code corrections, account proxy table, proxy table, account proxy, proxy entry, master contract, master treaty, terms get_guid_for_accounts_s, bca_cn_relation reason, program error
Related Notes : 
       
| 1049351 | SAP Banking Services 5.0 SP02 |