Fatal error: Uncaught Error: Class "Grav\Common\Plugin" not found in /home/www/assets/select2-4.1.0-rc.0/docs/plugins/simplesearch/simplesearch.php:15 Stack trace: #0 {main} thrown in /home/www/assets/select2-4.1.0-rc.0/docs/plugins/simplesearch/simplesearch.php on line 15