Due to any reason if an error occurs during the product upload then that product will be listed in the Rejected File panel.
Select Jet > Manage Products > Rejected Files from the menu section to open Rejected Jet Files Manager.
From here the merchant needs to go to View Error & Resubmit action.
By Clicking on the "View Errors and Resubmit" link "Error Files Information" page appears .
The error gets listed over here in the Error Description section.
It is the responsibility of the admin to check details of all the uploaded products, rectify the error and then click on the Resubmit File button.