Necrosis error 24. need urgent help.

[Toolt]

I'm getting an error on Necrosisinitialize line 24.
line is:

if (NecrosisConfig.NecrosisLanguage == "enUS") or (NecrosisConfig.NecrosisLanguage == "enGB") then

my US based friends get this to addon to work without any problems, but I cant get it to work at all. how do I fix this line to work for me, ( based in Sweden )

[Botmaster5]

get addon "improved error frames"