Fatal error: Uncaught Error: Class 'Http\Discovery\ClassDiscovery' not found in /home/cgenial/sandbox.cgenial.org/vendor/php-http/discovery/src/UriFactoryDiscovery.php:15 Stack trace: #0 {main} thrown in /home/cgenial/sandbox.cgenial.org/vendor/php-http/discovery/src/UriFactoryDiscovery.php on line 15