Fatal error: Uncaught Error: Interface "Composer\Plugin\PluginInterface" not found in C:\xampp\htdocs\epingame\vendor\php-http\discovery\src\Composer\Plugin.php:39 Stack trace: #0 {main} thrown in C:\xampp\htdocs\epingame\vendor\php-http\discovery\src\Composer\Plugin.php on line 39