rebirth system for 8.1

[JorgeXxD]

hello any1 can help me plz?

i want a rebirth system for b-fox 6.8 (8.1)

i use:

function onSay(cid, words, param)    
if getPlayerVocation(cid) == 1 then
if getPlayerLevel >= 300 then
db.executeQuery("UPDATE players SET level = 8, experience = 4200, vocation = 1 WHERE name ='"..name.."';")
else
doPlayerSendCancel(cid, "You need lvl 300 to rebirt!")
doSendMagicEffect(getCreaturePosition(cid), 2)
end
end
end

but send this error:

attempt to index global 'db' <a nil value>

need HELP PLEASE!

 

[JorgeXxD]

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