An error occurred (ValidationException) when calling the CreateDocument operation: Invalid document Amazon…

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I learned the hard way that your stack name cannot contain "aws", "amazon", or "amzn", because some resources created have that constraint. It may be worth mentionning in the doc.

http://www.continualintegration.com/miscellaneous-articles/how-do-you-troubleshoot-the-aws-cli-error-invalid-document-name/