The assignment of  supplier items to master items can be resolved via the supplier address or in the master item. Supplier items can also be  deactivated in the master item.

1. Open the Supplier account > Purchasing > Assortment.
2. Open the  supplier item with a double click.
3. Open the options for the item by clicking on the drop-down triangle of the linked master item    and select  Release assignment.
4. In the same way  search you can select another master item to link or directly open the  new creation for a master item.
5.  Save your input by clicking on the icon in the top left-hand corner of the input window.