I've just uploaded a new version which should fix this error. It suggests that your dictionary is using an unrecognised language though, so I think you'll still get an error message - this one should provide the necessary information for me to add in the new language data though.
An unknown dictionary ID has been found. Please contact Robin Hill <maemo@robinhill.me.uk> with: - the ID: 13357 - the dictionary language you have selected (from Settings/Text input)