Fatal error: Uncaught Error: Class 'Contao\System' not found in /home/eberhardschwarze/public_html/vendor/menatwork/contao-multicolumnwizard-bundle/src/Helper/MultiColumnWizardHelper.php:42 Stack trace: #0 {main} thrown in /home/eberhardschwarze/public_html/vendor/menatwork/contao-multicolumnwizard-bundle/src/Helper/MultiColumnWizardHelper.php on line 42