Describes the cause and action for error messages.
Error Message(English):
sdk js error
amazon web services - aws-sdk-js error: "AccessDeniedException ...
https://stackoverflow.com/questions/47640410/aws-sdk-js-error-accessdeniedexception-invalid-sigv4-cr・・・
AWS Developer Forums: JavaScript Development
https://forums.aws.amazon.com/forum.jspa?forumID=148&start=100