Fatal error: Uncaught Error: Interface "Sabre\Xml\XmlSerializable" not found in /usr/home/shi561/domains/tc.shi.ip-ddns.com/public_html/vendor/sabre/dav/lib/DAVACL/Xml/Property/AclRestrictions.php:19
Stack trace:
#0 {main}
  thrown in /usr/home/shi561/domains/tc.shi.ip-ddns.com/public_html/vendor/sabre/dav/lib/DAVACL/Xml/Property/AclRestrictions.php on line 19