Sumedhe, I tried to do training with Sinhala just now and ran into the same problem.
Looks like a bug. I have added info on https://github.com/tesseract-ocr/tesseract/issues/1012 -- You received this message because you are subscribed to the Google Groups "tesseract-ocr" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/tesseract-ocr. To view this discussion on the web visit https://groups.google.com/d/msgid/tesseract-ocr/CAG2NduXo1dhp0GxB3yCH3dWURCVnR1XxePgnMfko2L7bXDpOAA%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
