Fatal error: Uncaught Error: Class 'Netzmacht\Html\Attributes' not found in /home/eberhardschwarze/public_html/vendor/contao-bootstrap/templates/src/View/Nav/AbstractItemHelper.php:27 Stack trace: #0 {main} thrown in /home/eberhardschwarze/public_html/vendor/contao-bootstrap/templates/src/View/Nav/AbstractItemHelper.php on line 27