このエラーメッセージに関する原因と対処に関して説明します。
エラーメッセージ(英語)：
cannot create access key
対処
関連リンク
AWS アカウントのルートユーザー のアクセスキー管理 - アマゾン ウェブ ...
https://docs.aws.amazon.com/ja_jp/general/latest/gr/managing-aws-access-keys.html
Managing Access Keys for Your AWS Account Root User - Amazon ...
https://docs.aws.amazon.com/general/latest/gr/managing-aws-access-keys.html
Create an AWS Access Key - Amazon.com
https://aws.amazon.com/premiumsupport/knowledge-center/create-access-key/
Managing Access Keys for IAM Users - AWS Identity and Access ...
https://docs.aws.amazon.com/IAM/latest/UserGuide/id_credentials_access-keys.html
Understanding and Getting Your Security Credentials - Amazon Web ...
https://docs.aws.amazon.com/general/latest/gr/aws-sec-cred-types.html
Authentication and Access Control for Amazon Polly - Amazon Polly
https://docs.aws.amazon.com/polly/latest/dg/authentication-and-access-control.html
IAM アクセスキーの管理 - AWS SDK for Ruby
https://docs.aws.amazon.com/ja_jp/sdk-for-ruby/v3/developer-guide/iam-example-managing-iam-access-ke・・・
Where's My Secret Access Key? | AWS Security Blog - Amazon.com
https://aws.amazon.com/blogs/security/wheres-my-secret-access-key/
Configuring the AWS CLI - AWS Command Line Interface
https://docs.aws.amazon.com/cli/latest/userguide/cli-chap-configure.html
How To - Delete Access Key ? DLT Operations Center
https://opscenter.dlt.com/hc/en-us/articles/360001581748-How-To-Delete-Access-Key