Fatal error: Uncaught Error: Class "Google\Cloud\Vision\Annotation\AbstractFeature" not found in C:\xampp\htdocs\API\vendor\google\cloud\Vision\src\Annotation\Web\WebEntity.php:77 Stack trace: #0 {main} thrown in C:\xampp\htdocs\API\vendor\google\cloud\Vision\src\Annotation\Web\WebEntity.php on line 77