Fatal error: Uncaught Error: Class "Symfony\Component\HttpKernel\DataCollector\DataCollector" not found in /usr/home/adamus1234/domains/localization.adamus1234.smallhost.pl/public_html/vendor/symfony/mercure-bundle/src/DataCollector/MercureDataCollector.php:22
Stack trace:
#0 {main}
  thrown in /usr/home/adamus1234/domains/localization.adamus1234.smallhost.pl/public_html/vendor/symfony/mercure-bundle/src/DataCollector/MercureDataCollector.php on line 22