Solution : https://service.sap.com/sap/support/notes/647454 (SAP Service marketplace login required)
Key words :
sales order reason, billing plan items, billing plan, sales transactions, sales transaction, billing plans, billing documents, billing engine, billing-relevant, changed terms
Related Notes :
| 663180 | Support Release 01 for CRM 3.1 |
| 653691 | SAPKU31006: Support Package 06 for CRM 3.1 |