I just upgraded my Joomla core software and switched my hosting to run PHP 7.1, everything went fine but now I have two errors showing up at the top of my site that read:

Warning: A non-numeric value encountered in /home/candmhom/public_html/modules/mod_as_menu/tmpl/styles.php on line 18

Warning: A non-numeric value encountered in /home/candmhom/public_html/modules/mod_as_menu/tmpl/styles.php on line 22

Here's the site: http://www.cmhomesinc.com/

Any idea what's causing this?