Fatal error: Uncaught Error: Class "Prometheus\Collector" not found in /home/kevalayqueen/public_html/newtransfer/vendor/promphp/prometheus_client_php/src/Prometheus/Histogram.php:10 Stack trace: #0 {main} thrown in /home/kevalayqueen/public_html/newtransfer/vendor/promphp/prometheus_client_php/src/Prometheus/Histogram.php on line 10