Fatal error: Uncaught Error: Class "Sabre\CardDAV\AddressBookHome" not found in /var/www/html/nextcloud/apps/dav/lib/CardDAV/UserAddressBooks.php:32 Stack trace: #0 {main} thrown in /var/www/html/nextcloud/apps/dav/lib/CardDAV/UserAddressBooks.php on line 32