Fatal error: Uncaught Error: Class 'PHPUnit\Runner\Version' not found in /home/benjamincb/demos/acdg-site/vendor/friendsofsymfony/http-cache/src/Test/WebServerListener.php:28 Stack trace: #0 {main} thrown in /home/benjamincb/demos/acdg-site/vendor/friendsofsymfony/http-cache/src/Test/WebServerListener.php on line 28