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 action72SXQKED0BXGC32HpguVokvfRlt3LSaqY/Ml1yEl1UJgJPssdthaiN78koTAqyxQ8SJO1e+vrKNIC7UEY0aQ+XyJ2FY=