Solution : https://service.sap.com/sap/support/notes/720191 (SAP Service marketplace login required)
Key words :
system issues error message v1631 ', terms program error v1631 reason, longer change conditions, support package status, accounted delivery costs, /3 support package, delivery costs, delivery costs', invoice receipt, goods receipt
Related Notes :
1029032 | BAPI_PO_CHANGE: Delete freight conditions after GR/IR |
941048 | BAPI_PO_CHANGE: No new price determination possible |
870158 | Delivery cost condition deletable at header level after GR |
835617 | BAPI_PO_CHANGE: Delivery costs not changeable |
549408 | Conditions modifiable after invoice receipt |
457511 | FAQ: Purchase order change and goods receipt in purchasing |