Fatal error: Uncaught Error: Class "Http\Discovery\ClassDiscovery" not found in /home/custom/public_html/katiekarr/vendor/php-http/discovery/src/Psr17FactoryDiscovery.php:18 Stack trace: #0 {main} thrown in /home/custom/public_html/katiekarr/vendor/php-http/discovery/src/Psr17FactoryDiscovery.php on line 18