Fatal error: Uncaught Error: Class "ClickHouseDB\Client" not found in /home/ramy3/public_html/ws/vendor/smi2/phpclickhouse/example/exam05_error_async.php:11 Stack trace: #0 {main} thrown in /home/ramy3/public_html/ws/vendor/smi2/phpclickhouse/example/exam05_error_async.php on line 11