Error 21919248: The price for this item cannot be updated since it is a part of a sale.

The price of the specified item cannot be updated at this time since the listing is part of an Item Discount. To revise the price of this item, this listing would either need to be removed/excluded from the Item Discount, or the Item Discount would need to be ended. Item Discounts can be managed with the Marketing API or with Seller Hub under the Marketing tab.