Fatal error: Uncaught Error: Class "Sabre\DAV\File" not found in /home/byteshos/public_html/hrm.byteshosting.net/vendor/sabre/dav/lib/Sabre/CalDAV/Notifications/Node.php:20 Stack trace: #0 {main} thrown in /home/byteshos/public_html/hrm.byteshosting.net/vendor/sabre/dav/lib/Sabre/CalDAV/Notifications/Node.php on line 20