I had that problem too, but after the latest LibreOffice upgrade I purged and reinstalled it, and it's working now. I'm using LibreOffice 3.5.4.2 from the ppa and the same version of lo-menubar as you.
I had that problem too, but after the latest LibreOffice upgrade I purged and reinstalled it, and it's working now. I'm using LibreOffice 3.5.4.2 from the ppa and the same version of lo-menubar as you.