There was a problem when compiling version 1.2Vd in Linux yesterday. That problem has been fixed and the binaries have been updated.

Please install the latest binaries (ma_build_date yields: May 5 2011).

http://www.mani-admin-plugin.com/joomla/index.php?option=com_content&view=article&id=120:linux-fix-for-v12vd&catid=6:binary-update-news&Itemid=48