Solution : https://service.sap.com/sap/support/notes/661916 (SAP Service marketplace login required)
Key words : 
system displays error message r1472, transfer bp data, bp data transfer, bank account number, change bank data, attached correction instructions, error occurs, terms r1472, data exchange, bank details
Related Notes : 
       
| 696262 | CRM 4.0 SP Stack 1/2004 (SAPKU40004): Release & Info. Note | 
| 678152 | SAP BP: Replicatn of generated IBAN for existng bank details | 
| 677456 | SAPKU40003: Support Package 03 for CRM 4.0 | 
| 663180 | Support Release 01 for CRM 3.1 | 
| 649477 | Error R1472: Addition to Note 640081 | 
| 640081 | Error R1472: Correction for note 626123 | 
| 626123 | Error R1472 during exchange of bank details IBAN | 
| 556721 | SAP BP: IBAN at BP bank details BAPIs |