Product Import - Clarify Error Messages

-- HikaShop version -- : 2.3.1
-- Error-message(debug-mod must be tuned on) -- : See screen shot. Would be helpful for the product import to identify which product codes failed,

See screen shot. Would be helpful for the product import to identify which product codes failed, Current displays "The product is of the type but it already exists in the database..."

Could enhance to display "The product PRODUCT_CODE is of the type but it already exists in the database..."