Download data as CSV - strange new fields exported

Today I am using a workflow feature: Download data as CSV. I am using it with a primary application Data Type. I check the box for the parameter Include labels in first row. Under Hidden Columns I have checked boxes next to some of the shown fields but left most unchecked. I expect to get most of the columns . . . so far so good.

The Problem

In the created file, the first row (field names) often does not match fields under Hidden Columns or the fields in the Data type specification.

I look forward to help on this:
dave.mosby@radialign.com
or
dave.mosby@e2i.academy
Thanks