Got an error: Base class package "Data::ObjectDriver::BaseObject" is empty.
    (Perhaps you need to 'use' the module which defines that package first.)
 at lib/MT/Object.pm line 10
BEGIN failed--compilation aborted at lib/MT/Object.pm line 10.
Compilation failed in require at (eval 15) line 3.
	...propagated at /usr/lib/perl5/5.8.8/base.pm line 85.
BEGIN failed--compilation aborted at lib/MT/Config.pm line 9.
Compilation failed in require at lib/MT/ConfigMgr.pm line 257.