Fatal error: Uncaught Error: Class "Symfony\Component\HttpFoundation\ParameterBag" not found in /home/micro01m/public_html/app.microside.org/example/vendor/symfony/http-foundation/FileBag.php:22
Stack trace:
#0 {main}
  thrown in /home/micro01m/public_html/app.microside.org/example/vendor/symfony/http-foundation/FileBag.php on line 22