Don't throw error when there are no users attached to a client.
Don't throw error when there are no users attached to a client.

ari/jobsworth,arunagw/clockingit,webstream-io/jobsworth,digitalnatives/jobsworth,webstream-io/jobsworth,rafaspinola/jobsworth,evinoca/clockingit,arunagw/clockingit,evinoca/clockingit,rafaspinola/jobsworth,rafaspinola/jobsworth,digitalnatives/jobsworth,ari/jobsworth,webstream-io/jobsworth,xuewenfei/jobsworth,ari/jobsworth,xuewenfei/jobsworth,digitalnatives/jobsworth,evinoca/clockingit,xuewenfei/jobsworth,ari/jobsworth,xuewenfei/jobsworth,evinoca/clockingit,digitalnatives/jobsworth,rafaspinola/jobsworth,webstream-io/jobsworth,arunagw/clockingit,digitalnatives/jobsworth