Fatal error: Uncaught Error: Interface "Symfony\Component\Mercure\HubInterface" not found in /usr/home/adamus1234/domains/localization.adamus1234.smallhost.pl/public_html/vendor/symfony/mercure/src/MockHub.php:19
Stack trace:
#0 {main}
  thrown in /usr/home/adamus1234/domains/localization.adamus1234.smallhost.pl/public_html/vendor/symfony/mercure/src/MockHub.php on line 19