Form Input - Column sort not working

ilatine

In my dataTable the sorting of the first column does not work. All the other columns work when sorted. Here's the site

Code attached.

Thanks for any help you can provide.

ilatine

I just realized that folks can't get to the site so here is the jsfiddle
https://jsfiddle.net/isogunro/sb4ohdkj/4/