Fatal error: Uncaught Error: Class 'Http\Discovery\ClassDiscovery' not found in /home/kingelearn/public_html/vendor/php-http/discovery/src/Psr18ClientDiscovery.php:13 Stack trace: #0 {main} thrown in /home/kingelearn/public_html/vendor/php-http/discovery/src/Psr18ClientDiscovery.php on line 13