Multiple lines with line number and article number...

Error:

Multiple lines with line number '{0}' and article number '{1}'.

Explanation:

Suppliers can supply price lists that are linked to specialist retailers. The specialist retailer can see his price agreements in it and can extract the price list from EZ-web with a simple export and then link it to his ERP system. If data changes, a completely new file can be delivered. If the import file contains several lines with the same line number (SequenceId) and article number (ArticleNumber), the above-mentioned error message is displayed.

Solution:

Find the lines (marked in red) with the same line number and item number, check which one is incorrect and remove it from the import file.