Fatal error: Uncaught Error: Call to undefined function path_join() in /home/.sites/939/site364/web/wp-content/plugins/contact-form-7/includes/config-validator/validator.php:3
Stack trace:
#0 {main}
  thrown in /home/.sites/939/site364/web/wp-content/plugins/contact-form-7/includes/config-validator/validator.php on line 3