On trying to train the LSTM VAE model for multi-equation on both hwmps and draw the following error is thrown.  Changing max_gen_len to max_length in rnnvae.py fixed this issue.
On trying to train the LSTM VAE model for multi-equation on both hwmps and draw the following error is thrown.

Changing max_gen_len to max_length in rnnvae.py fixed this issue.