Lua New currency (GOLD NUGGET) script

[Darted450]

tfs 0.3.6

local coins = {
    [ITEM_GOLD_COIN] = {
        to = ITEM_PLATINUM_COIN, effect = TEXTCOLOR_YELLOW
    },
    [ITEM_PLATINUM_COIN] = {
        from = ITEM_GOLD_COIN, to = ITEM_CRYSTAL_COIN, effect = TEXTCOLOR_LIGHTBLUE
    },
    [ITEM_CRYSTAL_COIN] = {
        from = ITEM_PLATINUM_COIN, to = ITEM_VALUABLE_COIN, effect = TEXTCOLOR_RED
    },
    [ITEM_VALUABLE_COIN] = {
        from = ITEM_CRYSTAL_COIN, effect = TEXTCOLOR_TEAL
    }
}

function onUse(cid, item, fromPosition, itemEx, toPosition)
    if(getPlayerFlagValue(cid, PLAYERFLAG_CANNOTPICKUPITEM)) then
        return false
    end

    local coin = coins[item.itemid]
    if(not coin) then
        return false
    end

    if(coin.to ~= nil and item.type == ITEMCOUNT_MAX) then
        doChangeTypeItem(item.uid, item.type - item.type)
        doPlayerAddItem(cid, coin.to, 1)
        doSendAnimatedText(fromPosition, "$$$", coins[coin.to].effect)
    elseif(coin.from ~= nil) then
        doChangeTypeItem(item.uid, item.type - 1)
        doPlayerAddItem(cid, coin.from, ITEMCOUNT_MAX)
        doSendAnimatedText(fromPosition, "$$$", coins[coin.from].effect)
    end
    return true
end

    <item id="2157" article="a" name="valuable coin" plural="valuable coins">
        <attribute key="weight" value="10" />
        <attribute key="worth" value="1000000" />
    </item>

ERROR WHEN LOADING SERVER :

[19/05/2014 12:11:35] [Error - Action Interface]
[19/05/2014 12:11:35] data/actions/scripts/other/changegold.lua
[19/05/2014 12:11:36] Description:
[19/05/2014 12:11:36] data/actions/scripts/other/changegold.lua:13: table index is nil
[19/05/2014 12:11:36] [Warning - Event::loadScript] Cannot load script (data/actions/scripts/other/changegold.lua)

 

[WibbenZ]

constant.lua (I guess you are using 0.4/0.3.6)
Serach for:

ITEM_GOLD_COIN = 2148
ITEM_PLATINUM_COIN = 2152
ITEM_CRYSTAL_COIN = 2160

And below it add this:

ITEM_VALUABLE_COIN = itemid

 

[Darted450]

constant.lua (I guess you are using 0.4/0.3.6)
Serach for:

ITEM_GOLD_COIN = 2148
ITEM_PLATINUM_COIN = 2152
ITEM_CRYSTAL_COIN = 2160

And below it add this:

ITEM_VALUABLE_COIN = itemid

Awesome, thanks! Appreciate it