FATAL ERROR Token ´{´

[Kazakarumariou]

Try using This code

void OnStart()
{
SetEntityCallbackFunc("key_study_1", "ActivateMonster");
}

void ActivateMonster(string &in asEntity, string &in type)
{
SetEntityActive("servant_grunt_1", true);
AddEnemyPatrolNode("servant_grunt_1", "PathNodeArea_1", 1, "");
AddEnemyPatrolNode("servant_grunt_1", "PathNodeArea_2", 1, "");

void OnEnter()
{
AddDebugMessage("OnEnter!", false);
}

void OnLeave()
{
AddDebugMessage("OnLeave!", false);
}