Fatal error: Uncaught Error: Interface 'Psr\Http\Client\ClientInterface' not found in /home/benjamincb/demos/acdg-site/vendor/php-http/httplug/src/HttpClient.php:15 Stack trace: #0 {main} thrown in /home/benjamincb/demos/acdg-site/vendor/php-http/httplug/src/HttpClient.php on line 15