Fatal error: Uncaught Error: Class "Symfony\Component\Config\Definition\Exception\Exception" not found in /usr/home/adamus1234/domains/localization.adamus1234.smallhost.pl/public_html/vendor/symfony/config/Definition/Exception/UnsetKeyException.php:20
Stack trace:
#0 {main}
  thrown in /usr/home/adamus1234/domains/localization.adamus1234.smallhost.pl/public_html/vendor/symfony/config/Definition/Exception/UnsetKeyException.php on line 20