error MySQL Error (Help with this code)

[br99pedro]

Hello guys, today i came across this error, witch i can not correct at all, i believe it may be a lack of attention.

The server is all set, i enter, but my character stands there, unable to play.

If anyone can help me as i correct this error, i will be very grateful.

Tranks.

function mysql.getAccount(player,a)
	local a = a or {}
	local dbtype = GET_SERVER_INFO.type
	local serial = player:getSerial()
	local query,result = mysql.query('SELECT `serial` FROM '..dbtype..' WHERE `serial` = ?',serial)
	if query then
		if result > 0 then
			return (a.check and mysql.query('SELECT * FROM '..dbtype..' WHERE `serial` = ?',serial)[1]) or true
		elseif a.create and mysql.exec('INSERT INTO '..dbtype..' (`name`,`serial`,`ip`) VALUES (?,?,?)',player:getName(),serial,play[2019-04-30 18:04:50] ERROR: dayzmode\lib\team\s_team.lua:1: call: failed to call 'dayzconnect:MySQL' [string "?"]
[2019-04-30 18:04:51] ERROR: dayzmode\lib\system\player.lua:1: call: failed to call 'dayzconnect:MySQL' [string "?"]
[2019-04-30 18:04:51] ERROR: dayzmode\lib\system\player.lua:221: attempt to index local 'mysql' (a boolean value)