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 actionGS79H66FZB3FAP2E9+SMOxxiID/6AMZ9EXQjQCzGTc2i6BaBfmFqX4CPKIR5SHskQtVaIP5SKqxUlg7HhsFlPrSv1gRAHcEaJMlyV4Vzb2ZxrIK/