Fatal error: Uncaught Error: Call to undefined function add_filter() in /home/www/tonebuds.com/wp-content/plugins/contact-form-7/modules/sendinblue/contact-form-properties.php:3
Stack trace:
#0 {main}
thrown in /home/www/tonebuds.com/wp-content/plugins/contact-form-7/modules/sendinblue/contact-form-properties.php on line 3