Clearer error message when the cluster store is inconsistent.
Clearer error message when the cluster store is inconsistent.

kwikteam/phy,nsteinme/phy,kwikteam/phy,nippoo/phy,rossant/phy,kwikteam/phy,nsteinme/phy,nippoo/phy,rossant/phy,rossant/phy