void CShopManager::Sell(LPCHARACTER ch, BYTE bCell, BYTE bCount) //shop_manager.cpp
{
    [...]

    const long long nTotalMoney = static_cast<long long>(ch->GetGold()) + static_cast<long long>(dwPrice);

    if (GOLD_MAX <= nTotalMoney)
    {
        sys_err("[OVERFLOW_GOLD] id %u name %s gold %lld", ch->GetPlayerID(), ch->GetName(), ch->GetGold());
        ch->ChatPacket(CHAT_TYPE_INFO, LC_TEXT("You have too much yang in your inventory"));
        return;
    }

    sys_log(0, "SHOP: SELL: %s item name: %s(x%d):%u price: %lld", ch->GetName(), item->GetName(), bCount, item->GetID(), dwPrice);