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 actionCKBKW4S1Y7MHM9CFCqMTGqS9Ykh97491VEMZ4gz3+igtpgn5XWjLrG0wIMNprxR8UtRCvt30hP/2TlT68xuZPa2EHb0=