Fatal error: Uncaught Error: Class "Elastica\Connection\Strategy\Simple" not found in /var/www/html/w/vendor/ruflin/elastica/src/Connection/Strategy/RoundRobin.php:12 Stack trace: #0 {main} thrown in /var/www/html/w/vendor/ruflin/elastica/src/Connection/Strategy/RoundRobin.php on line 12