On PO GR and payment is done. I want to restict the buyers from changing qty or from putting 2nd line item.in the PO.
We do not have release strategy. Still how can I do it.
You can control this by Message Control configuration in following path;
SPRO > MM > Purchasing > Environment Data > Define Attributes of System Messages > System messages > Here maintain following messages as Error Message;
06 744 Delivery of item & of document & already completed