Fatal error: Uncaught Error: Class "ClickHouseDB\Client" not found in /home/ramy3/public_html/ws/vendor/smi2/phpclickhouse/example/exam03_batch_insert.php:12 Stack trace: #0 {main} thrown in /home/ramy3/public_html/ws/vendor/smi2/phpclickhouse/example/exam03_batch_insert.php on line 12