Use of undefined constant CUZROMIZR_VER

I’m getting this error filling up log files on my site:

[18-Jun-2022 23:25:38 UTC] PHP Warning: Use of undefined constant CUZROMIZR_VER – assumed ‘CUZROMIZR_VER’ (this will throw an Error in a future version of PHP) in /home/lcbzg2t9bs8z/public_html/wp-content/plugins/customizr-addons/inc/sharrre/czra-sharrre.php on line 91

Using a CHILD them of Customizr Version: 4.4.20

The page I need help with: [log in to see the link]