Fatal error: Uncaught Error: Class 'Aws\Crypto\MaterialsProviderV2' not found in C:\xampp\htdocs\webservices\2911inovarservice-order\vendor\aws\aws-sdk-php\src\Crypto\KmsMaterialsProviderV2.php:12 Stack trace: #0 {main} thrown in C:\xampp\htdocs\webservices\2911inovarservice-order\vendor\aws\aws-sdk-php\src\Crypto\KmsMaterialsProviderV2.php on line 12