Fatal error: Uncaught Error: Class 'Symfony\Component\HttpKernel\Bundle\Bundle' not found in /home/eberhardschwarze/public_html/vendor/contao-bootstrap/panel/src/ContaoBootstrapPanelBundle.php:25 Stack trace: #0 {main} thrown in /home/eberhardschwarze/public_html/vendor/contao-bootstrap/panel/src/ContaoBootstrapPanelBundle.php on line 25