Missing required client configuration options:
A "region" configuration value is required for the "s3" service
(e.g., "us-west-2"). A list of available public regions and endpoints can be
found at http://docs.aws.amazon.com/general/latest/gr/rande.html.
A "version" configuration value is required. Specifying a version constraint
ensures that your code will not be affected by a breaking change made to the
service. For example, when using Amazon S3, you can lock your API version to
Your build of the SDK has the following version(s) of "s3": * "2006-03-01"
You may provide "latest" to the "version" configuration value to utilize the
most recent available API version that your client's API provider can find.
Note: Using 'latest' in a production application is not recommended.
A list of available API versions can be found on each client's API documentation
page: http://docs.aws.amazon.com/aws-sdk-php/v3/api/index.html. If you are
unable to load a specific API version, then you may need to update your copy of