Reports are that Harvestgain is down for a restart until 12 PM Pacific time. Apparently the case of the missing NPC's struck again, this time in Glendon Woods. Also, Leafcull has been taken down for a restart until 11 AM Pacific time. Hopefully the culprit has been found and is being corrected. Finally, the report regarding the missing Repair Golem NPC on Leafcull may have been flawed.
By the way, please don't take our News for the gospel truth regarding technical issues in Asheron's Call. We are simply reporting the issues brought up to us by you, the players. The only official news comes from Microsoft and Turbine.
Update: Leafcull is back up and running again.