Fatal error: Uncaught Error: Class "Sabre\DAV\PropPatch" not found in C:\xampp\htdocs\baikal\vendor\sabre\dav\lib\DAV\MkCol.php:25 Stack trace: #0 {main} thrown in C:\xampp\htdocs\baikal\vendor\sabre\dav\lib\DAV\MkCol.php on line 25