Server list doesn't work properly when there is no server in the list

It should be displaying 0 server, 0 up, 0... and it should have the message saying that no server is registered.

Instead, the UI fails with:
{"errorMsg":"ResourceType not found on any of the following paths: [[Types[Tenant], Ids[fbb60b41-3c7d-4c19-a14d-2b4bd175152d], Related[, rel='contains', role=SOURCE], Types[ResourceType], Ids[WildFly Server]]]","details":{"entityType":"ResourceType","path":[[

{"types":["org.hawkular.inventory.api.model.Tenant"]}

,

{"ids":["fbb60b41-3c7d-4c19-a14d-2b4bd175152d"]}

,

{"entity":null,"relationshipName":"contains","relationshipId":null,"entityRole":"SOURCE"}

,

{"types":["org.hawkular.inventory.api.model.ResourceType"]}

,

{"ids":["WildFly Server"]}

]]}}