error in "for" ?

[The chaser]

////////////////////

//When entering map

void OnEnter()

{

Spoiler below!

//Slime

If(HasItem("glass_container_mix_done"))

for(int i=1;i<22;i++)

{

SetEntityActive("Slime_"+i, true);

PlaySoundAtEntity("", "guardian_activated1.ogg", "Player", 0, false);

StartScreenShake(0.1, 8, 2, 2);

SetEntityActive("SlimeDamageArea_1", true);

SetEntityActive("SlimeDamageArea_2", true);

SetEntityActive("SlimeDamageArea_3", true);

SetEntityActive("SlimeDamageArea_4", true);

}



//Keys

AddUseItemCallback("", "CellerKey", "level_celler_1", "UsedKeyOnDoor", true);



//Quests

AddEntityCollideCallback("Player", "QuestArea", "SlimeQuest", true, 1);

AddUseItemCallback("" "glass_container_mix_done", "web_1", "SlimeQuestEnd", true);

}

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