Fatal error: Uncaught Error: Class 'Contao\System' not found in /home/www/cerap.group/vendor/webexmachina/contao-component-style-manager/src/Resources/contao/dca/tl_calendar_events.php:8 Stack trace: #0 {main} thrown in /home/www/cerap.group/vendor/webexmachina/contao-component-style-manager/src/Resources/contao/dca/tl_calendar_events.php on line 8