Warning: include_once(): https:// wrapper is disabled in the server configuration by allow_url_include=0 in /var/www/kd/sites/vhosts/euvend/en/technisch-global/checkliste/index.php on line 21

Warning: include_once(https://static-koelnmesse.s3.eu-central-1.amazonaws.com/cloudfront/euvend/assets/php/checkliste/icalcreator_class.php): failed to open stream: no suitable wrapper could be found in /var/www/kd/sites/vhosts/euvend/en/technisch-global/checkliste/index.php on line 21

Warning: include_once(): Failed opening 'https://static-koelnmesse.s3.eu-central-1.amazonaws.com/cloudfront/euvend/assets/php/checkliste/icalcreator_class.php' for inclusion (include_path='.:/usr/share/pear:/usr/share/php') in /var/www/kd/sites/vhosts/euvend/en/technisch-global/checkliste/index.php on line 21

Fatal error: Uncaught Error: Class 'vcalendar' not found in /var/www/kd/sites/vhosts/euvend/en/technisch-global/checkliste/index.php:24 Stack trace: #0 {main} thrown in /var/www/kd/sites/vhosts/euvend/en/technisch-global/checkliste/index.php on line 24