What is wrong with my script?

[Maximaeus]

Trying to run my Custom Story and it comes up with the error. Thanks in advance:

FATAL ERROR: Could no load script file 'custom_stories/The Following/maps/The following.hps'!
main(4, 26) : ERR : Expected identifer
main(5, 19) : ERR : Expected identifer
main(6, 19) : ERR : Expected identifer
main(21, 14) : ERR : Expected identifer
main(26, 23) : ERR : Expected identifer
main(27, 23) : ERR : Expected identifer
main(28, 23) : ERR : Expected identifer


////////////////////////////
// Run first time starting map
void OnStart()

;AddEntityCollideCallback("Player", "PlayerCollide", "MonsterFunction", true, 1);
AddUseItemCallback("", "StairsKey_1", "Stairs_1", "KeyOnDoor", true);
AddUseItemCallback("", "StairsKey_1", "Stairs_2", "KeyOnDoor2", true);

void KeyOnDoor(string &in asItem, string &in asEntity)
{
SetSwingDoorLocked("Stairs_1", false, true);
PlaySoundAtEntity("", "unlock_door.snt", "Stairs_1", 0.0f, true);
}

void KeyOnDoor2(string &in asItem, string &in asEntity)
{
SetSwingDoorLocked("Stairs_2", false, true);
PlaySoundAtEntity("", "unlock_door.snt", "Stairs_2", 0.0f, true);
RemoveItem("StairsKey_1")
;}

MonsterCheck(string &in entity, string &in type)

void MonsterFunction(string &in asParent, string &in asChild, int alState)

SetEntityActive("servant_grunt_1", true);
AddEnemyPatrolNode("servant_grunt_1", "PathNodeArea_1", 2, "");
AddEnemyPatrolNode("servant_grunt_1", "PathNodeArea_2", 0, "");
AddEnemyPatrolNode("servant_grunt_1", "PathNodeArea_3", 0, "");

////////////////////////////
// Run when entering map
void OnEnter()
{

}

////////////////////////////
// Run when leaving map
void OnLeave()
{

}