Thank you for contacting us.
Can you please submit a ticket at:
provide us with more details, so we could check what caused the issue for you.
Let us knwo what version of Store Mnaager you are currently using.
Please provide us with your store connection configuration (you can save it at Preferences[F12]/Actions.../Save current configuration),
import configuration (you can save it at last step of import wizard) and .csv file attached via e-mail, so we could proceed
Please do not post any information here at public forum, since it is available for other users
Waiting to hear from you