Fatal error: Uncaught Error: Class "IntlDateFormatter" not found in /var/www/vhosts/barmerzeltmission.de/httpdocs/einsatzkalender/functions.php:3
Stack trace:
#0 /var/www/vhosts/barmerzeltmission.de/httpdocs/einsatzkalender/index.php(50): renderKalender()
#1 {main}
thrown in /var/www/vhosts/barmerzeltmission.de/httpdocs/einsatzkalender/functions.php on line 3