Got an error:
You cannot register multiple plugin objects from a single script. Community.pack at lib/MT.pm line 486
MT::add_plugin('MT', 'MT::Component=HASH(0xa3be154)') called at lib/MT.pm line 1351
MT::_init_plugins_core('MT::App=HASH(0xaa63ea0)', 'HASH(0xa8c8790)', 1, 'ARRAY(0xa3806bc)') called at lib/MT.pm line 1202
MT::init_addons('MT::App=HASH(0xaa63ea0)') called at lib/MT.pm line 1130
MT::init('MT::App=HASH(0xaa63ea0)') called at lib/MT/App.pm line 646
MT::App::init('MT::App=HASH(0xaa63ea0)') called at lib/MT.pm line 255
MT::construct('MT::App') called at lib/MT.pm line 248
MT::instance_of called at lib/MT.pm line 241
MT::new('MT::App') called at lib/MT/App.pm line 637
MT::App::new('MT::App') called at mt-mail-entry.cgi line 51
eval {...} called at mt-mail-entry.cgi line 34