Error message-Home Page

Hello, I recently been working on my site and finally put it online, But have ran into a bit of a problem, id like to fix.
On my home page ->

On the page i get a warning error message i would like to remove.

Warning: Creating default object from empty value in /homepages/9/d544201212/htdocs/htdocs/wp-content/themes/woostore/functions/admin-hooks.php on line 160

I would like some expertise since i tryed a couple things but havent figured out yet.
I tryed to reinstall the theme with no luck and couldnt find anything in my templates(.css), but i could of most definitely overlooked it.