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 actionZ54YQPQPPWCXYQA5Wt/Y/OqcQG9qAPsIotYxmv9uAPzm/iHEKyG7BOQsLI5ph6UA+qzDzujM4NCZVS2mhuPGz8ijZlbWm5Q6QiTtYmGgVE3FpqlZ