Fatal error: Uncaught Error: Class "B13\Make\IO\AbstractConfiguration" not found in /var/www/html/dev.hallescherfc.de/vendor/b13/make/Classes/IO/ArrayConfiguration.php:21 Stack trace: #0 {main} thrown in /var/www/html/dev.hallescherfc.de/vendor/b13/make/Classes/IO/ArrayConfiguration.php on line 21