You can only transfer parts from your Prolink basket if your costs are displayed.
When you are in your shopping cart, you have to click on the 2 question marks that appear next to the word list.
When you click, the 2 lists of profit and cost are displayed;
? After that, you will be able to transfert the items in the PDV
The steps will be explained.
If you try to transfert your items without clicking on the two question marks, you will get this error message: