The ingredient is set up as a Stock Item product with no purchaser products linked to it. Stock Item products cannot determine a best price independently, they rely on at least one linked purchaser product to resolve the cost price alert.
Please follow the below steps to resolve the notification issue:
Click on the Admin Cogs
icon.Go to Products & Categories, then select Stock Item Products.
Use the filter section to search for the product, then click on the Edit
icon.Go to the Linked Products tab, enter the product ID you want to link and click Add Product, link at least one purchaser product to the Stock Item.
Once linked, the system will be able to resolve the best price and the missing price warning on the dish will clear.