Fatal error: Uncaught Error: Interface 'Aws\Token\RefreshableTokenProviderInterface' not found in /home/xcddwtvp/public_html/aws-sdk-php/Aws/Token/SsoTokenProvider.php:11 Stack trace: #0 {main} thrown in /home/xcddwtvp/public_html/aws-sdk-php/Aws/Token/SsoTokenProvider.php on line 11