© 2004
Canonical Ltd.
•
Terms of use
•
Data privacy
•
Contact Launchpad Support
•
Blog
•
Careers
•
System status
•
5466644
demo site
(Get the code!)
The KeyError occurs because you are attempting to run awn-manager as root, which is not supposed to happen.
Do not attempt to "delete" applets, but rather "deactivate" them. "Delete" means remove the applet from the system, whereas "deactivate" means remove from the dock.