CSGO C# External Skin changer çalışmıyor!

public static void SetSkin(int weapon_id, int paint_id, float wear, int knife_id)
    {
        int modelIndex = 0;
        int current = c_local.GetClientLocalCurrentWeapon();
        short currentID = c_local.GetClientLocalCurrentWeaponID();
        if (currentID != 42 && currentID == weapon_id || currentID != 59 && currentID == weapon_id)
        {
            c_local.SetClientLocalItemIDHigh(current, -1);
            c_local.SetClientLocalFallbackPaintKit(current, paint_id);
            c_local.SetClientLocalFallbackWear(current, wear);
        }
        else
        {
            if (modelIndex > 0)
            {
                if (currentID == 42 && currentID != weapon_id || currentID == 59 && currentID != weapon_id)
                {
                    c_local.SetClientLocalItemIDHigh(current, -1);
                    c_local.SetClientLocalWeaponID(knife_id);
                    c_local.SetClientLocalModelIndex(current, modelIndex);
                    c_local.SetClientLocalCurrentWeaponViewModel(current, modelIndex);
                    c_local.SetClientLocalFallbackQuality(current, 3);
                    c_local.SetClientLocalFallbackPaintKit(current, paint_id);
                    c_local.SetClientLocalFallbackWear(current, wear);
                }               
            }
        }

        int currentVM = c_local.GetClientLocalCurrentWeaponViewModel(current);

        if (currentID == 42)
        {
            modelIndex = currentVM + (1208 - 1118);
        }
        else if (currentID == 59)
        {
            modelIndex = currentVM + (1208 - 1143);
        }

        int currentKnife = c_local.GetClientLocalCurrentViewModel();

        c_local.SetClientLocalModelIndex(currentKnife, modelIndex);
    }