Which version do you have of "Flat."? So we can help you.
Koekske ( co-admin )
I'm have a last version. (Sorry if I misspelled. It's because I'm from Russia and i translate a part of text in Google Translate and part at random.)
Is your PC 32 bit? Because this can make errors. Which error is showing up?
My comuper is x64. Here a debug log https://gist.github.com/anonymous/b9825daa70aca4666be2659adfff2134