This is known problem with AMX, AMX X (except new version AMX MOD X 0.20 - this one recognize bots correctly) and all bots - these plugins get confusing when in the game is some bot. But problem is already solved and in the newer release of AMX this will work great. You can see more info here:
http://djeyl.net/forum/index.php?showtopic=35992&hl=
