Diana 8418: TeamCity plugin fails

Hi

I was a happy user of the teamcity plugin with my idea, but now idea won't start when the plugin is enabled. A popup appears saying:

Plugin Jetbrains TeamCity Plugiin failed to initializa:
null
Please remove the plugin and restart IntelliJ IDEA.

So I remove the plugin and idea starts correctly. I've tried the following:

Reinstalling the plugin, no go.
removing ~/.IntellijIdea80, open project and reinstall plugin, no go.
repeating above and removing project iws file, no go.

Attached is my idea.log when it fails.
The weird part is, that the plugin has been working nicely with 8418, but after a shutdown and reboot today, it suddenly failed.

./Daniel