Fatal error: Uncaught Error: Class "Office365\Entity" not found in C:\xampp\htdocs\Tico\vendor\vgrem\php-spo\src\Communications\Operations\SubscribeToToneOperation.php:12 Stack trace: #0 {main} thrown in C:\xampp\htdocs\Tico\vendor\vgrem\php-spo\src\Communications\Operations\SubscribeToToneOperation.php on line 12