Fatal error: Uncaught Error: Class 'Model' not found in /home/eberhardschwarze/public_html/vendor/madeyourday/contao-rocksolid-mega-menu/src/Model/MenuColumnModel.php:18 Stack trace: #0 {main} thrown in /home/eberhardschwarze/public_html/vendor/madeyourday/contao-rocksolid-mega-menu/src/Model/MenuColumnModel.php on line 18