Fatal error: Uncaught Error: Interface "League\Config\ConfigurationBuilderInterface" not found in /usr/home/xqubyte/domains/kamila.mariuszszalas.pl/public_html/core/vendor/league/config/src/Configuration.php:28
Stack trace:
#0 {main}
  thrown in /usr/home/xqubyte/domains/kamila.mariuszszalas.pl/public_html/core/vendor/league/config/src/Configuration.php on line 28