espnet: Stage 1 error in egs/ljspeech/asr1

Describe the bug Hi, I am trying to run the LJspeech ASR example, but I get the following error:

stage 1: Feature Generation
steps/make_fbank_pitch.sh --cmd run.pl --nj 8 --write_utt2num_frames true data/char_eval exp/make_fbank/char_eval fbank
steps/make_fbank_pitch.sh: no such file data/char_eval/wav.scp

Basic environments:

• OS information: OS information: Linux 4.15.0-101-generic #102~16.04.1-Ubuntu SMP Mon May 11 11:38:16 UTC 2020 x86_64
• python version: Python 3.7.9 (default, Aug 18 2020, 06:24:24) [GCC 5.4.0 20160609]
• espnet version: 0.9.6
• Git hash [e.g. b88e89fc7246fed4c2842b55baba884fe1b4ecc2]
• Commit date [e.g. Tue Sep 1 09:32:54 2020 -0400]
• pytorch version pytorch 1.4.0

Environments from torch.utils.collect_env:

Collecting environment information...
PyTorch version: 1.4.0
Is debug build: No
CUDA used to build PyTorch: 10.1

OS: Ubuntu 16.04.7 LTS
GCC version: (Ubuntu 5.4.0-6ubuntu1~16.04.12) 5.4.0 20160609
CMake version: version 3.5.1

Python version: 3.7
Is CUDA available: Yes
CUDA runtime version: 10.1.243
GPU models and configuration: GPU 0: Tesla P4
Nvidia driver version: 455.23.05
cuDNN version: Probably one of the following:
/usr/lib/x86_64-linux-gnu/libcudnn.so.7.6.4
/usr/lib/x86_64-linux-gnu/libcudnn.so.8.0.3
/usr/lib/x86_64-linux-gnu/libcudnn_adv_infer.so.8.0.3
/usr/lib/x86_64-linux-gnu/libcudnn_adv_train.so.8.0.3
/usr/lib/x86_64-linux-gnu/libcudnn_cnn_infer.so.8.0.3
/usr/lib/x86_64-linux-gnu/libcudnn_cnn_train.so.8.0.3
/usr/lib/x86_64-linux-gnu/libcudnn_ops_infer.so.8.0.3
/usr/lib/x86_64-linux-gnu/libcudnn_ops_train.so.8.0.3

Versions of relevant libraries:
[pip3] numpy==1.19.5
[pip3] pytorch-ranger==0.1.1
[pip3] pytorch-wpe==0.0.0
[pip3] torch==1.4.0
[pip3] torch-complex==0.2.0
[pip3] torch-optimizer==0.1.0
[pip3] torchaudio==0.4.0
[pip3] warpctc-pytorch==0.2.1
[conda] Could not collect

Task information:

• Task: ASR
• Recipe: LJspeech
• ESPnet1

To Reproduce Steps to reproduce the behavior:

1. move to a recipe directory, e.g., cd egs/ljspeech/asr1
2. execute ./run.sh
3. specify the error log, e.g., exp/xxx/yyy.log

Error logs No logs created…