Fatal error: Uncaught Error: Class "Aws\Crypto\MaterialsProviderV3" not found in E:\phpProject\TEST\fr_epr\fr_epr_reg\vendor\aws\aws-sdk-php\src\Crypto\KmsMaterialsProviderV3.php:12 Stack trace: #0 {main} thrown in E:\phpProject\TEST\fr_epr\fr_epr_reg\vendor\aws\aws-sdk-php\src\Crypto\KmsMaterialsProviderV3.php on line 12