Fatal error: Uncaught Error: Interface 'Sabre\Xml\XmlSerializable' not found in C:\xampp\htdocs\zataPhase2\vendor\saleh7\php-zatca-xml\src\Attachment.php:16 Stack trace: #0 {main} thrown in C:\xampp\htdocs\zataPhase2\vendor\saleh7\php-zatca-xml\src\Attachment.php on line 16