Fatal Error when trying to Login

[31-Oct-2023 23:43:06 UTC] PHP Fatal error: Uncaught Error: Call to a member function add() on string in /-/araxsystemsllc.com/public_html/wp-content/plugins/advanced-google-recaptcha/libs/functions.php:354

Stack trace:

Issue with the plugin causing fatal errors when people are trying to create accounts and maybe even logging in or checking out. The plugin is up to date, anyone familiar with this error? PHP 354?

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