TW II maps are not opening at all

[wduda]

Hi,
Whenever I click on open 'Eriador', 'Rhovanion' or 'Gondor' map it doesn't work and I receive this in chat log: - ...line\Plugins\TravelWindowII\src\EriadorMapWindow.lua:251: attempt to index field '?' (a nil value)
Is there anything I can do?