Dropping target - couldn't reach target

[larrytantungyaw]

my hunter keep having trouble wif
Dropping target - couldn't reach target

here's my config
attackAuto 3
attackAuto_followTarget 1
attackAuto_inLockOnly 0
attackAuto_onlyWhenSafe 0
attackAuto_party 1
attackMaxRouteDistance 15
attackMaxRouteTime 15
attackUseWeapon 1
attackDistance 3

attackSkillSlot_0 Double Strafe
attackSkillSlot_0_dist 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15
attackSkillSlot_0_hp_lower 0
attackSkillSlot_0_hp_upper 100
attackSkillSlot_0_lvl 10
attackSkillSlot_0_maxAggressives 0
attackSkillSlot_0_minAggressives 0
attackSkillSlot_0_maxCastTime 0
attackSkillSlot_0_minCastTime 0
attackSkillSlot_0_maxUses 10
attackSkillSlot_0_monsters
attackSkillSlot_0_sp_lower 0
attackSkillSlot_0_sp_upper 100
attackSkillSlot_0_stopWhenHit 0
attackSkillSlot_0_stopWhenFrozen 0
attackSkillSlot_0_loopSlot

help me out pls
hunter config

[greatskull26]

attackAuto 3
attackAuto_followTarget 1
attackAuto_inLockOnly 0
attackAuto_onlyWhenSafe 0
attackAuto_party 1
attackMaxRouteDistance 15
attackMaxRouteTime 15
attackUseWeapon 1
attackDistance 15,14,13,12,11,10,9,8,7,6,5,4,3,2,1

attackSkillSlot_0 Double Strafe
attackSkillSlot_0_dist 15,1,4,13,12,11,10,9,8,7,6,5,4,3,2,1
attackSkillSlot_0_hp_lower 0
attackSkillSlot_0_hp_upper 100
attackSkillSlot_0_lvl 10
attackSkillSlot_0_maxAggressives 0
attackSkillSlot_0_minAggressives 0
attackSkillSlot_0_maxCastTime 0
attackSkillSlot_0_minCastTime 0
attackSkillSlot_0_maxUses 10
attackSkillSlot_0_monsters
attackSkillSlot_0_sp_lower 0
attackSkillSlot_0_sp_upper 100
attackSkillSlot_0_stopWhenHit 0
attackSkillSlot_0_stopWhenFrozen 0
attackSkillSlot_0_loopSlot