Fatal error: Uncaught Error: Interface "Magento\Framework\App\ActionInterface" not found in /var/www/magento/html/app/code/BBNT/Stockists/Controller/Index/Search.php:17 Stack trace: #0 {main} thrown in /var/www/magento/html/app/code/BBNT/Stockists/Controller/Index/Search.php on line 17