Fatal error: Uncaught Error: Class 'Twig_Node' not found in /srv/drbd-web/home/chelix/public_html/wp-content/plugins/all-in-one-event-calendar/vendor/twig/Node/Print.php on line 18

Error: Class 'Twig_Node' not found in /srv/drbd-web/home/chelix/public_html/wp-content/plugins/all-in-one-event-calendar/vendor/twig/Node/Print.php on line 18

Call Stack:
    0.0019     360432   1. {main}() /srv/drbd-web/home/chelix/public_html/wp-content/plugins/all-in-one-event-calendar/vendor/twig/Node/Print.php:0