Fatal error: Uncaught Error: Class "Office365\Runtime\ClientObject" not found in C:\xampp\htdocs\vendor\vgrem\php-spo\src\SharePoint\Publishing\Navigation\StructuralNavigationCacheWrapper.php:10 Stack trace: #0 {main} thrown in C:\xampp\htdocs\vendor\vgrem\php-spo\src\SharePoint\Publishing\Navigation\StructuralNavigationCacheWrapper.php on line 10