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 action9YNS1HWB6BVDX8XJnRI9kZliEsTZS1y72KLEGrNE7c1UDpDojVVwQ+dDIX1JSU+E7P109fwwCVqQuvd9LdS94xSgrLQ=