AccessDeniedUser: arn:aws:sts::701984500217:assumed-role/s3readonly-api-gateway/BackplaneAssumeRoleSession is not authorized to perform: s3:ListBucket on resource: "arn:aws:s3:::ats-webhost-sarithm" because no identity-based policy allows the s3:ListBucket action6P0ND0ZZ0ZFHC4TP0+HXECPZWQAI5T4MCjGp4dMzj7KOLCkUbCR9bbOoFYjrzIZVi/eS69E4hX5OPYFqShC7Ri9VbdlmFXglebwDe0v6zrzzOmuW