lxpanelctl not working!

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http://askubuntu.com – lxpanelctl does nothing! Either when I launch it with the keyboard shortcut or from terminal. When I enter lxpanelctl menu or lxpanelctl run in the terminal window, nothing happens. The case is the same when I use the respective keyboard shortcut. What could be wrong? How can I set it right? (HowTos)