Fatal error: Uncaught Error: Class "Symfony\Component\HttpKernel\DataCollector\DataCollector" not found in /srv/disk3/2724534/www/redgraveresearch.com/concrete/vendor/symfony/http-client/DataCollector/HttpClientDataCollector.php:24 Stack trace: #0 {main} thrown in /srv/disk3/2724534/www/redgraveresearch.com/concrete/vendor/symfony/http-client/DataCollector/HttpClientDataCollector.php on line 24