Warning survivorsystem

[wgnsy123]

Hello, i have a warning in console of survivorSystem.lua...

Logs in this:

[2015-01-04 11:29:19] WARNING: [DayZ-MTA]\DayZ\survivorSystem.lua_dayz:0: Bad argument @ 'setElementID' [Expected element at argument 1, got nil] 
[2015-01-04 11:29:19] WARNING: [DayZ-MTA]\DayZ\survivorSystem.lua_dayz:0: Bad argument @ 'setElementID' [Expected element at argument 1, got nil] 
[2015-01-04 11:29:23] WARNING: [DayZ-MTA]\DayZ\survivorSystem.lua_dayz:0: Bad argument @ 'setElementID' [Expected element at argument 1, got nil] 
[2015-01-04 11:30:44] WARNING: [DayZ-MTA]\DayZ\survivorSystem.lua_dayz:0: Bad argument @ 'setElementID' [Expected element at argument 1, got nil] 
[2015-01-04 11:30:44] WARNING: [DayZ-MTA]\DayZ\survivorSystem.lua_dayz:0: Bad argument @ 'setElementID' [Expected element at argument 1, got nil] 
[2015-01-04 11:30:50] WARNING: [DayZ-MTA]\DayZ\survivorSystem.lua_dayz:0: Bad argument @ 'setElementID' [Expected element at argument 1, got nil] 
[2015-01-04 11:31:47] WARNING: [DayZ-MTA]\DayZ\survivorSystem.lua_dayz:0: Bad argument @ 'setElementID' [Expected element at argument 1, got nil] 
[2015-01-04 11:31:52] WARNING: [DayZ-MTA]\DayZ\survivorSystem.lua_dayz:0: Bad argument @ 'setElementID' [Expected element at argument 1, got nil] 
[2015-01-04 11:32:00] WARNING: [DayZ-MTA]\DayZ\survivorSystem.lua_dayz:0: Bad argument @ 'setElementID' [Expected element at argument 1, got nil] 
[2015-01-04 11:32:22] WARNING: [DayZ-MTA]\DayZ\survivorSystem.lua_dayz:0: Bad argument @ 'setElementID' [Expected element at argument 1, got nil] 
[2015-01-04 11:32:22] WARNING: [DayZ-MTA]\DayZ\survivorSystem.lua_dayz:0: Bad argument @ 'setElementID' [Expected element at argument 1, got nil] 
  

This warning is displays if i scroll the weapon.

[darhal]

Make sure that the first argument is defined