Fatal error: Uncaught Error: Class 'Aws\Crypto\MaterialsProvider' not found in C:\xampp\htdocs\webservices\2911inovarservice-order\vendor\aws\aws-sdk-php\src\Crypto\KmsMaterialsProvider.php:16 Stack trace: #0 {main} thrown in C:\xampp\htdocs\webservices\2911inovarservice-order\vendor\aws\aws-sdk-php\src\Crypto\KmsMaterialsProvider.php on line 16