asr score error

[zh794390558]

76 [1:12:36<33:46,  1.04it/s]Traceback (most recent call last):
  File "neural_sp/examples/aishell/s5/../../../neural_sp/bin/asr/eval.py", line 235, in <module>
    main()
  File "neural_sp/examples/aishell/s5/../../../neural_sp/bin/asr/eval.py", line 183, in main
    task_idx=0)
  File "neural_sp/neural_sp/evaluators/character.py", line 92, in eval_char
    ensemble_models=models[1:] if len(models) > 1 else [])
  File "neural_sp/neural_sp/models/seq2seq/speech2text.py", line 741, in decode
    ensmbl_eouts, ensmbl_elens, ensmbl_decs)
  File "neural_sp/neural_sp/models/seq2seq/decoders/transformer.py", line 883, in beam_search
    rightmost_frame = max(0, aws_last_success[0, :, 0].nonzero()[:, -1].max().item()) + 1
RuntimeError: invalid argument 1: cannot perform reduction function max on tensor with no elements because the operation does not have an identity at /pytorch/aten/src/THC/generic/THCTensorMathReduce.cu:85
 71%|██████████████████████████████████████████████████████████████████████████████████████████████████████████████████████▋                                                 | 5069/7176 [1:12:38<30:11,  1.16it/s]

cmmond:

./local/score.sh --gpu 7 --model egs/asr/train_sp/conv2Ltransformer256dmodel2048dff12L4Hpeadd_max_pool8_transformer256dmodel2048dff6L4Hpe1dconv3Lmocha_ma4H_ca4H_w16_bias-2.0_share_from4L_HD0.5_noam_lr5.0_bs32_ls0.1_warmup25000_accum8_ctc0.3/model.epoch-25

dataset:

aishell