You can change a product group associated with a single stock item.
Please consider the following when changing the product group for a single item. Sage 200 advises you of these conditions as required.
Sage 200 will not accept the product group change if any of the following apply to your stock item:
Note: If the change of product group means that the stock item will now use units or the stock item will use standard costing where it hasn't previously, please check the product record after the change.
Open: Stock Control > Stock Maintenance > Amend Stock Item Product Group.