Import Data app: Bulk excel import to form results in empty submissions

Having the same problem here.
Submission done via http://import.jotform.io/ like suggested .xls template format, but empty submission when I take a look in the list of submissions.

What's going wrong?

It seems like this is a duplicate thread. I have answered your inquiry here: https://www.jotform.com/answers/974377. Please refer to that one instead.

Thank you.