Evers

if chinese, please try PR: https://github.com/ming024/FastSpeech2/pull/153

I meet the same issue, yes, I use my own lexicon and did MFA train my own dataset, my total sentence is 88770 (aishell3 + my own 735), however duration/energy/mel/pitch...

https://github.com/ming024/FastSpeech2/pull/153 I have verified, my training is ongoing now...

got same issue when I try "python3 preprocess.py config/AISHELL3/preprocess.yaml" on my updated AISHELL3 dataset (one more speaker was added)

it can run on the first time, but failed for second try