Zombie event error

[George00]

[18/08/2016 20:10:17] [Error - GlobalEvent Interface]
[18/08/2016 20:10:17] data/globalevents/scripts/zombie/onstartup.luanStartup
[18/08/2016 20:10:17] Description:
[18/08/2016 20:10:17] data/globalevents/scripts/zombie/onstartup.lua:2: attempt to call field 'executeQuery' (a nil value)
[18/08/2016 20:10:17] stack traceback:
[18/08/2016 20:10:18] data/globalevents/scripts/zombie/onstartup.lua:2: in function <data/globalevents/scripts/zombie/onstartup.lua:1>
[18/08/2016 20:10:18] mysql_real_query(): SELECT `id`, `ownerid`, `creationdata`, `checkdata` FROM `guilds` WHERE `world_id` = 0; - MYSQL ERROR: Unknown column 'checkdata' in 'field list' (1054)

 

[Elgenady]

ALTER TABLE guild ADD checkdata int(11)