Fatal error: Uncaught Error: Interface 'Composer\Plugin\PluginInterface' not found in /home/benjamincb/demos/acdg-site/vendor/php-http/discovery/src/Composer/Plugin.php:39 Stack trace: #0 {main} thrown in /home/benjamincb/demos/acdg-site/vendor/php-http/discovery/src/Composer/Plugin.php on line 39