As the topic title says i have a problem with l2walker 10.2.3
I play on a C3.What's my problem?When I try to set a bot for auto buffs/heal the bot does not buff/heal me

It writes "Incorrect Target".This problem appeared 3-4 days ago.Before all was OK.Also,when i party a friend the bot buffs/heals him!!How can i fix that?Plz help me