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 actionWQ2FNKBWWE2MWB5Vv25yJV6+2IKD9BHMcAKPV6Z5knNw2P5V0MGVSA6LfidRLblnneC5T32DRm3ZPg2vcMjQZfkAi6wdlliQzS0eGIaRIeB/j45C0qOaR6TijNs=