tedlium example training error

[star633669]

I try to run tedlium example, but I get a problem.
It does not work when training process.

========Network Training with the 110-Hour Set=========
steps/train_ctc_parallel.sh --add-deltas true --num-sequence 20 --frame-num-limit 25000 --learn-rate 0.00004 --report-step 1000 --halving-after-epoch 12 --feats-tmpdir exp/train_phn_l5_c320/XXXXX data/train_tr95 data/train_cv05 exp/train_phn_l5_c320
feat-to-len scp:data/train_tr95/feats.scp ark,t:-
feat-to-len scp:data/train_cv05/feats.scp ark,t:-
copy-feats 'ark,s,cs:apply-cmvn --norm-vars=true --utt2spk=ark:data/train_tr95/utt2spk scp:data/train_tr95/cmvn.scp scp:exp/train_phn_l5_c320/train.scp ark:- |' ark,scp:exp/train_phn_l5_c320/g8Kne/train.ark,exp/train_phn_l5_c320/train_local.scp
apply-cmvn --norm-vars=true --utt2spk=ark:data/train_tr95/utt2spk scp:data/train_tr95/cmvn.scp scp:exp/train_phn_l5_c320/train.scp ark:-
LOG (apply-cmvn:main():apply-cmvn.cc:129) Applied cepstral mean and variance normalization to 51984 utterances, errors on 0
LOG (copy-feats:main():copy-feats.cc:100) Copied 51984 feature matrices.
copy-feats 'ark,s,cs:apply-cmvn --norm-vars=true --utt2spk=ark:data/train_cv05/utt2spk scp:data/train_cv05/cmvn.scp scp:exp/train_phn_l5_c320/cv.scp ark:- |' ark,scp:exp/train_phn_l5_c320/g8Kne/cv.ark,exp/train_phn_l5_c320/cv_local.scp
apply-cmvn --norm-vars=true --utt2spk=ark:data/train_cv05/utt2spk scp:data/train_cv05/cmvn.scp scp:exp/train_phn_l5_c320/cv.scp ark:-
LOG (apply-cmvn:main():apply-cmvn.cc:129) Applied cepstral mean and variance normalization to 2583 utterances, errors on 0
LOG (copy-feats:main():copy-feats.cc:100) Copied 2583 feature matrices.
Initializing model as exp/train_phn_l5_c320/nnet/nnet.iter0
TRAINING STARTS [2017-Feb-1 17:57:13]
[NOTE] TOKEN_ACCURACY refers to token accuracy, i.e., (1.0 - token_error_rate).
EPOCH 1 RUNNING ... Removing features tmpdir exp/train_phn_l5_c320/g8Kne @ liao-ubuntu2
cv.ark
train.ark

I will appreciate any help,
Thanks