Fatal error: Uncaught TypeError: Return value of NF_Admin_Metaboxes_Calculations::registerReactMetabox() must be an instance of void, none returned in /data/sites/web/g6d17-7tb-hostingcom/subdomains/shippinglbc/web/wp-content/plugins/ninja-forms/includes/Admin/Metaboxes/Calculations.php:37 Stack trace: #0 /data/sites/web/g6d17-7tb-hostingcom/subdomains/shippinglbc/web/wp-content/plugins/ninja-forms/includes/Admin/Metaboxes/Calculations.php(7): NF_Admin_Metaboxes_Calculations->registerReactMetabox() #1 /data/sites/web/g6d17-7tb-hostingcom/subdomains/shippinglbc/web/wp-content/plugins/ninja-forms/ninja-forms.php(386): NF_Admin_Metaboxes_Calculations->__construct() #2 /data/sites/web/g6d17-7tb-hostingcom/subdomains/shippinglbc/web/wp-content/plugins/ninja-forms/ninja-forms.php(1178): Ninja_Forms::instance() #3 /data/sites/web/g6d17-7tb-hostingcom/subdomains/shippinglbc/web/wp-content/plugins/ninja-forms/ninja-forms.php(1181): Ninja_Forms() #4 /data/sites/web/g6d17-7tb-hostingcom/subdomains/shippinglbc/web/wp-settings.php(453 in /data/sites/web/g6d17-7tb-hostingcom/subdomains/shippinglbc/web/wp-content/plugins/ninja-forms/includes/Admin/Metaboxes/Calculations.php on line 37