Fatal error: Uncaught Error: Class "Office365\SharePoint\SecurableObject" not found in C:\xampp\htdocs\vendor\vgrem\php-spo\src\SharePoint\SPList.php:29 Stack trace: #0 {main} thrown in C:\xampp\htdocs\vendor\vgrem\php-spo\src\SharePoint\SPList.php on line 29