Solution : https://service.sap.com/sap/support/notes/662387 (SAP Service marketplace login required)
Key words : 
problem occurs due, maintain table comv_pr_logsys, crm sales document, product id reason, logical systems assigned, sales document, product id, sales unit, eom scenario, terms invalid_logsys
Related Notes : 
       
| 696262 | CRM 4.0 SP Stack 1/2004 (SAPKU40004): Release & Info. Note |