Continue checking the Error batch updating duplicate entry when we run the sales refresh for the year 2018 to 2019. As per checking Mark, there are items with duplicates, it's either duplicate or two entries with two different costs. As per Sir Rey, we have to ask Sysops regarding on it, as Del Conde of sysops to validate the items and she corrected the SKU. After updating the SKU tried running the refresh again. This is now ok as per confirmation of Ms. Eden