Fatal error: Uncaught Error: Class "Sabre\VObject\Parser\Parser" not found in /home/.sites/740/site1364/web/cloud/-/3rdparty/sabre/vobject/lib/Parser/XML.php:21
Stack trace:
#0 {main}
  thrown in /home/.sites/740/site1364/web/cloud/-/3rdparty/sabre/vobject/lib/Parser/XML.php on line 21