[kh99]

Originally Posted by CoffeeLovesYou

That is my issue, you're right.
I tried adding that piece of code where my queries are executed, but upon submission, I received a blank, white page. I can't give you an error because error reports are off.
Perhaps I need to do what this person did? https://vborg.vbsupport.ru/showthread.php?t=231389
He said he needed to include fetch_js_safe_string.. how could I do that? Is that needed?

Yeah, that's probably it. So what you'd do is add this:

require_once(DIR . '/includes/adminfunctions.php');

before the code I posted above.