need help with script file!!!

[pandasFTW]

hi all... so, when i try to start my custom story, it says " main(4:64): ERR : expected ")" or " , "
" main(5:68): ERR : expected ")" or " , "
" main(16:21): ERR : expected ")" or " , "
" main(17:21): ERR : expected ")" or " , "

please help, here are my script file


void OnStart()
{
AddEntityCollideCallback("Player", "ScriptArea_1", "prut", true, 1);
AddUseItemCallback("", "knife1", "prison1", "lolskid", true 1);
AddEntityCollideCallback("Player", "ScriptArea_2", "karl", true 1);
}

void OnEnter()
{
PlayMusic("03_amb.ogg", true, 0.6, 1, 8, true);
}

void karl(string &in asParent, string &in asChild, int alState)
{
PlaySoundAtEntity("" , "notice.snt" , "ScriptArea_1" , 0.1f , true);
AddTimer("", 0.5 "timerr");
AddTimer("", 2.0 "timerrr");
}

void prut(string &in asParent, string &in asChild, int alState)
{
SetEntityActive("hanging_prisoner_1", true);
SetEntityActive("hanging_prisoner_2", true);
PlaySoundAtEntity("", "21_screams.snt", "ScriptArea_1", 0.1f , true);
GiveSanityDamage(15.0f, true);
PlaySoundAtEntity("", "react_breath_slow.snt", "Player", 0, false);
PlaySoundAtEntity("", "react_scare", "Player", 0, false);
AddTimer("", 1.0, "Intro");
}

void Intro(string &in asTimer)
{
SetEntityActive("hanging_prisoner_1", false);
SetEntityActive("hanging_prisoner_2", false);
}

void lolskid(string &in asItem, string &in asEntity)
{
SetSwingDoorLocked("prison1", false, true);
PlaySoundAtEntity("", "unlock_door", "door", 0, false);
RemoveItem("knife1");
AddPlayerSanity(10);
SetEntityActive("grunt1", true);
AddEnemyPatrolNode("grunt1", "PathNodeArea_1", 0, "");
AddEnemyPatrolNode("grunt1", "PathNodeArea_2", 0, "");
AddEnemyPatrolNode("grunt1", "PathNodeArea_3", 0, "");
AddEnemyPatrolNode("grunt1", "PathNodeArea_4", 0, "");
AddEnemyPatrolNode("grunt1", "PathNodeArea_5", 0, "");
AddEnemyPatrolNode("grunt1", "PathNodeArea_7", 0, "");
AddEnemyPatrolNode("grunt1", "PathNodeArea_8", 0, "");
AddEnemyPatrolNode("grunt1", "PathNodeArea_10", 0, "");
AddEnemyPatrolNode("grunt1", "PathNodeArea_12", 0, "");
AddEnemyPatrolNode("grunt1", "PathNodeArea_13", 0, "");
AddEnemyPatrolNode("grunt1", "PathNodeArea_14", 0, "");
AddEnemyPatrolNode("grunt1", "PathNodeArea_15", 0, "");
}

void timerr(string &in asTimer)
{
PlaySoundAtEntity("", "29_scream.snt", "ScriptArea_1", 0, false);
}

void timerrr(string &in asTimer)
{
PlaySoundAtEntity("", "attack_claw_hit.snt", "ScriptArea_1", 0, false);
}

void OnLeave()
{
}

thanks