Solution : https://service.sap.com/sap/support/notes/335685 (SAP Service marketplace login required)
Key words : 
additional key words invoice, account assignment, sales order, goods issue, price difference, implemented fully, support package, solution implement, corrections contained, prerequisites note 132685
Related Notes : 
       
| 332533 | Data inconsistency in CO after ship-to party change | 
| 162122 | CO line items for the sales order are deleted | 
| 132685 | MR21: CO document incomplete after substitution |