[8.6] War system tfs 0.3.6 error

[ziomek14b]

Hi my tfs shows this error do you know how to fix it?

[03/04/2020 17:39:17] [Error - GlobalEvent Interface]
[03/04/2020 17:39:17] data/globalevents/scripts/wars.lua:onThink
[03/04/2020 17:39:17] Description:
[03/04/2020 17:39:17] data/lib/004-database.lua:60: [Result:getDataInt] Result not set!
[03/04/2020 17:39:17] stack traceback:
[03/04/2020 17:39:17]     [C]: in function 'error'
[03/04/2020 17:39:17]     data/lib/004-database.lua:60: in function 'getDataInt'
[03/04/2020 17:39:17]     ./GuildWar.lua:212: in function 'getGuildsWithWar'
[03/04/2020 17:39:17]     data/globalevents/scripts/wars.lua:4: in function <data/globalevents/scripts/wars.lua:3>
[03/04/2020 17:39:17] [Error - GlobalEvents::think] Couldn't execute event: wars