Issue in training an end-to-end speech recognition system

Hi all,

I tried to train an end-to-end speech recognition system. I followed this tutorial. My issue is with the script train.lua. When I launch the training, I get the following error:

Any help is greatly appreciated!
Warm regards.

Hi @menamine,

I assume that you did preprocessing with data_type feattext. For training, can you try encoder_type pdbrnn like “-encoder_type pdbrnn” and see how it works?

Thank you for your answer.
Exactly, I did the preprocessing with data_type feattext.
I tried to change the encoder type to pdbrnn, but unfortunately I got another error:

I don’t know what’s wrong .

Thank you so much for your help.