Fatal error: Uncaught Error: Interface "Aws\Crypto\MaterialsProviderInterface" not found in C:\Apache24\htdocs\ControlMantWeb\vendor\aws\aws-sdk-php\src\Crypto\MaterialsProvider.php:4 Stack trace: #0 {main} thrown in C:\Apache24\htdocs\ControlMantWeb\vendor\aws\aws-sdk-php\src\Crypto\MaterialsProvider.php on line 4