Fatal error: Uncaught Aws\Glacier\Exception\GlacierException: AWS Error Code: , Status Code: 400, AWS Request

Fatal error: Uncaught Aws\Glacier\Exception\GlacierException: AWS Error
Code: , Status Code: 400, AWS Request

I've been trying to upload image through the SDK but i get this error:
Fatal error: Uncaught Aws\Glacier\Exception\GlacierException: AWS Error
Code: , Status Code: 400, AWS Request ID: , AWS Error Type: client, AWS
Error Message: , User-Agent: aws-sdk-php2/2.4.3 Guzzle/3.7.2 curl/7.15.5
PHP/5.3.8 thrown in
/www/site/test/Aws/Common/Exception/NamespaceExceptionFactory.php on line
91
And this is my test code: