Solution : https://service.sap.com/sap/support/notes/529428 (SAP Service marketplace login required)
Key words : 
distribution document item, terms sales order, billing plan exists, billing plan, -order prodcution, planned revenue, payment date, cash management, company code, mto reason
Related Notes : 
       
| 621008 | Value reduction to zero not updated in FM | 
| 567059 | Order has planned revenue in spite of net value 0 | 
| 98745 | Repair of incorrect planned revenues from SD docmts |