When you get the following error message, this should fix your problem.
Message: ..\AddOns\FarmHud\Localization.lua line 14:
attempt to index global 'L' (a nil value)
Debug:
(tail call): ?
[C]: ?
FarmHud\Localization.lua:14: in main chunk
Locals:
(*temporary) = <function> defined =[C]:-1