"Victim" erreur

[Scorvex_III]

Voila l'erreur :

'victim' is not an item stack (ligne 11)

victim' is not an item stack (ligne 13)

victim' is not an item stack (ligne 15)

victim' is not an item stack (ligne 53)

Pouvez vous m'aider (c'est un skript de combo)

variables:
   {combo} = "default"# variables par defaut

options:
   combo: &eCombo &f>>#préfix définie

on damage:
   if attacker is a player:
       if victim is a player:
           if {combo} is "default":
               set maximum damage delay of victim to 1 seconds
           if {combo} is "combo":
               set maximum damage delay of victim to 0.000001 ticks
           if {combo} is "1.9":
               set maximum damage delay of victim to 3 seconds
command /combo [<text>]:
   permission: Admin#permission pour executer la commande
   aliases: /c
   trigger:
       if arg 1 is not set:
           message ">----------------------------<"
           message ""
           message "> &e/combo&c defaut"
           message ""
           message "> &e/combo&c Combo"
           message ""
           message "> &e/combo&c 1.9"
           message ">----------------------------<"
       if arg 1 is set:
           if arg 1 is not "defaut" , "combo" or "1.9":
               message ">----------------------------<"
               message ""
               message "> &e/combo&c defaut"
               message ""
               message "> &e/combo&c Combo"
               message ""
               message "> &e/combo&c 1.9"
               message ">----------------------------<"
       if arg 1 is "defaut":
           message "{@combo}Tu viens de passer le &6PvP&f en mode &cDefaut &f!"
           set {combo} to "default"
       if arg 1 is "combo":
           message "{@combo}Tu viens de passer le &6PvP&f en mode &cCombo &f!"
           set {combo} to "combo"
       if arg 1 is "1.9":
           message "{@combo}Tu viens de passer le &6PvP&f en mode &c1.9 &f!"
           set {combo} to "1.9"

[Invité]

Essaye de changer "on damage" en "on damage of player"