how can u fix this???

[tiamo88]

OpenKore version 2.0.7 (Release Candidate)
Network state = 4
Network handler = Network::DirectConnection
SVN revision: 6803
No loaded plugins.

Error message:
Undefined subroutine &AI::SlaveManager::clear called at src/functions.pl line 498.

Stack trace:
Undefined subroutine &AI::SlaveManager::clear called at src/functions.pl line 498.
at src/Interface/Wx.pm line 113
Interface::Wx::mainLoop('Interface::Wx=HASH(0x285b53c)') called at openkore.pl line 96
main::__start() called at start.pl line 125

end in this line:
AI::clear("attack", "move");
* AI::SlaveManager::clear("attack", "route", "move");
ChatQueue::clear;

it's my errors report, is someone can help me??