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 actionH3VCRPZ7TR5XA9A6BvrdRGy929jKxi0R5X6VOMW/M35GymJvIkzeijGacHO5C4Cp5v7qRJa0BMqw6x8rymfnJa/Fwns=