Solution : https://service.sap.com/sap/support/notes/835617 (SAP Service marketplace login required)
Key words :
system issues error message v1 206, delivery costs reason, delivery costs conditions, program error, delivery costs, invoice receipt, purchase order, goods receipt, longer change, transaction me22
Related Notes :
| 1029032 | BAPI_PO_CHANGE: Delete freight conditions after GR/IR |
| 941048 | BAPI_PO_CHANGE: No new price determination possible |
| 720191 | Conditions not modifiable after invoice receipt |