On the CSV Item record import update to add Item quantity pricing information the CSV response error: "Please enter missing price(s)" is received.
The error is received when the quantity imported is more than zero e.g. Qty 1 while Qty 0 does not have any quantity pricing information set in the item record.
To resolved this import pricing quantity information first for Qty 0. Also both Qty 0 and Qty1 quantity information can be imported at the same time.