Fatal error: Uncaught Error: Class "System" not found in /home/rankting/public_html/ALT/ranketing.de (contao)/vendor/menatwork/contao-multicolumnwizard/system/modules/multicolumnwizard/MultiColumnWizardHelper.php:21 Stack trace: #0 {main} thrown in /home/rankting/public_html/ALT/ranketing.de (contao)/vendor/menatwork/contao-multicolumnwizard/system/modules/multicolumnwizard/MultiColumnWizardHelper.php on line 21