Solution : https://service.sap.com/sap/support/notes/727669 (SAP Service marketplace login required)
Key words : 
attached source code corrections, newly inserted partner details, partner details beforeprocessing, standard bbpcrm sp07, partner details, existing partner, update partner, bbpcrm sp01, msa client, crm online
Related Notes : 
       
| 754723 | CRM 4.0 SP Stack 9/2004 Support Release 1: Release Note | 
| 743291 | CRM 4.0 SP Stack 6/2004 (SAPKU40006): Release & Info. Note |