Fatal error: Uncaught Error: Call to undefined function add_action() in /home/www/tonebuds.com/wp-content/plugins/mailchimp-for-wp/integrations/bootstrap.php:33
Stack trace:
#0 {main}
thrown in /home/www/tonebuds.com/wp-content/plugins/mailchimp-for-wp/integrations/bootstrap.php on line 33