Warning: Use of undefined constant JETPACK__PLUGIN_DIR - assumed 'JETPACK__PLUGIN_DIR' (this will throw an Error in a future version of PHP) in /home/.sites/8/site7281296/web/wp-content/plugins/jetpack/modules/widgets/mailchimp.php on line 14

Warning: include_once(JETPACK__PLUGIN_DIRmodules/shortcodes/mailchimp.php): failed to open stream: No such file or directory in /home/.sites/8/site7281296/web/wp-content/plugins/jetpack/modules/widgets/mailchimp.php on line 14

Warning: include_once(): Failed opening 'JETPACK__PLUGIN_DIRmodules/shortcodes/mailchimp.php' for inclusion (include_path='.:/usr/lib/php') in /home/.sites/8/site7281296/web/wp-content/plugins/jetpack/modules/widgets/mailchimp.php on line 14

Fatal error: Uncaught Error: Call to undefined function add_action() in /home/.sites/8/site7281296/web/wp-content/plugins/jetpack/modules/widgets/mailchimp.php:24
Stack trace:
#0 {main}
  thrown in /home/.sites/8/site7281296/web/wp-content/plugins/jetpack/modules/widgets/mailchimp.php on line 24