Fatal error: Uncaught Error: Interface "League\Config\MutableConfigurationInterface" not found in /home/kalaax/public_html/kalaax/vendor/league/config/src/ConfigurationBuilderInterface.php:19
Stack trace:
#0 {main}
thrown in /home/kalaax/public_html/kalaax/vendor/league/config/src/ConfigurationBuilderInterface.php on line 19