Fatal error: Uncaught Error: Class "Symfony\Component\DependencyInjection\ParameterBag\ParameterBag" not found in /home/sourceex/public_html/pm/vendor/symfony/dependency-injection/ParameterBag/FrozenParameterBag.php:21
Stack trace:
#0 {main}
thrown in /home/sourceex/public_html/pm/vendor/symfony/dependency-injection/ParameterBag/FrozenParameterBag.php on line 21