Fatal error: Uncaught Error: Call to undefined function add_action() in /home/.sites/133/site516/web/WP/wp-content/plugins/sitepress-multilingual-cms/vendor/otgs/installer/includes/translation-service-info.class.php:7
Stack trace:
#0 /home/.sites/133/site516/web/WP/wp-content/plugins/sitepress-multilingual-cms/vendor/otgs/installer/includes/translation-service-info.class.php(40): TranslationServiceInfo->__construct()
#1 {main}
  thrown in /home/.sites/133/site516/web/WP/wp-content/plugins/sitepress-multilingual-cms/vendor/otgs/installer/includes/translation-service-info.class.php on line 7