Fatal error: Uncaught Error: Class "Http\Discovery\ClassDiscovery" not found in C:\xampp\htdocs\mflux\vendor\php-http\discovery\src\StreamFactoryDiscovery.php:15 Stack trace: #0 {main} thrown in C:\xampp\htdocs\mflux\vendor\php-http\discovery\src\StreamFactoryDiscovery.php on line 15