I am trying to get a header on my data table, however when I create another group it is repeating the header the same number of times as my data. So if I have 10 rows of data I get 10 header rows.
I have attached my eText file.
https://drive.google.com/file/d/1im-iGEIhZuhjlb2XbeD5FoNmQ6y3raz4/view?usp=sharing
Could you please advice me