Fatal error: Uncaught Error: Interface "Sabre\Xml\XmlSerializable" not found in C:\Apache24\htdocs\dle\engine\classes\composer\vendor\sabre\vobject\lib\Node.php:14 Stack trace: #0 {main} thrown in C:\Apache24\htdocs\dle\engine\classes\composer\vendor\sabre\vobject\lib\Node.php on line 14