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 actionEYBWGC2PX6SVQTTRNkSpj1v9Cu1FQHgTD25lYy6exujhfROt6cC+WQvIs6KH7uoYvLgUXFaJL+Ol4NysAQ5IWvmsHI0=