Homunculus BALOR boss bug L2J_Mobius_08.2_Homunculus

[fehmi]

Player can join solo Balor.
Spawning Double Balor 
Player cannot give damage to Balor.
Balor cannot give damage to player  ( endless dungeon)
by admin give command that //kill Balor ( no die Balor ) 

How can i fix that problem ?
Best Regards..