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 action5VN7FY30R1CY7WZ0g6QaoMH1j1uPxADkSRtz0nca1LBl3tGsBQmch9L7ISAeySb0qd2zugKLJkpghKa+FpxstoTAq84=