Fatal error: Uncaught Error: Class "Symfony\Component\Mime\Header\AbstractHeader" not found in /usr/home/xqubyte/domains/kamila.mariuszszalas.pl/public_html/core/vendor/symfony/mime/Header/IdentificationHeader.php:22
Stack trace:
#0 {main}
  thrown in /usr/home/xqubyte/domains/kamila.mariuszszalas.pl/public_html/core/vendor/symfony/mime/Header/IdentificationHeader.php on line 22