void CheckXPSwitches(object oModule)
{
    if(!GetLocalInt(oModule, PRC_XP_PC_PARTY_COUNT_x100))//player will get 0 xp for kills - we assume that the XP system was not setup
    {
        SetLocalInt(oModule, PRC_XP_SLIDER_x100, 100);
        SetLocalInt(oModule, PRC_XP_GROUP_BONUS, 10);
        SetLocalInt(oModule, PRC_XP_PC_PARTY_COUNT_x100, 100);
        SetLocalInt(oModule, PRC_XP_DOMINATED_PARTY_COUNT_x100, 50);
        SetLocalInt(oModule, PRC_XP_HENCHMAN_PARTY_COUNT_x100, 50);
        SetLocalInt(oModule, PRC_XP_UNKNOWN_PARTY_COUNT_x100, 50);
        SetLocalInt(oModule, PRC_XP_SUMMONED_PARTY_COUNT_x100, 30);
        SetLocalInt(oModule, PRC_XP_FAMILIAR_PARTY_COUNT_x100, 10);
        SetLocalInt(oModule, PRC_XP_ANIMALCOMPANION_PARTY_COUNT_x100, 10);
        SetLocalInt(oModule, PRC_XP_MUST_BE_IN_AREA, 1);
        SetLocalInt(oModule, PRC_XP_MAX_PHYSICAL_DISTANCE, 100);
    }
    //
    if(!GetLocalInt(oModule, PRC_XP_MAX_LEVEL_DIFF))
        SetLocalInt(oModule, PRC_XP_MAX_LEVEL_DIFF, 5);
}

This script right here seems to be the culprit but I cant remove it or edit it without PRC having a major conniption.