Broke template-functions-category.php — do you see problem?

I was fiddling with several values trying to get my blog to list categories in heirarchal parent-child order and somehow broke the function.

Here is the message I am getting:

“Warning: Invalid argument supplied for foreach() in /home/journal/public_html/wp-includes/template-functions-category.php on line 321”

Here is line 320-322: ` $query = “
SELECT cat_ID, cat_name, category_nicename, category_description, category_parent, category_count’

Here is the blog URL: https://www.mindbodyspiritjournal.com

Any idea what I need to change, where, to get this working again?

Thanks,
kwc