AttributeError: 'NsfHifiGAN' object has no attribute 'h'

[prpetu]

  File "E:\다운로드\diff-svc-main (1)\diff-svc-main\run.py", line 15, in <module>
    run_task()
  File "E:\다운로드\diff-svc-main (1)\diff-svc-main\run.py", line 11, in run_task
    task_cls.start()
  File "E:\다운로드\diff-svc-main (1)\diff-svc-main\training\task\base_task.py", line 234, in start
    trainer.fit(task)
  File "E:\다운로드\diff-svc-main (1)\diff-svc-main\utils\pl_utils.py", line 495, in fit
    self.run_pretrain_routine(model)
  File "E:\다운로드\diff-svc-main (1)\diff-svc-main\utils\pl_utils.py", line 571, in run_pretrain_routine
    self.evaluate(model, self.get_val_dataloaders(), self.num_sanity_val_steps, self.testing)
  File "E:\다운로드\diff-svc-main (1)\diff-svc-main\utils\pl_utils.py", line 1192, in evaluate
    output = self.evaluation_forward(model,
  File "E:\다운로드\diff-svc-main (1)\diff-svc-main\utils\pl_utils.py", line 1316, in evaluation_forward
    output = model.validation_step(*args)
  File "E:\다운로드\diff-svc-main (1)\diff-svc-main\training\task\SVC_task.py", line 155, in validation_step
    self.plot_wav(batch_idx, sample['mels'], model_out['mel_out'], is_mel=True, gt_f0=gt_f0, f0=pred_f0)
  File "E:\다운로드\diff-svc-main (1)\diff-svc-main\training\task\SVC_task.py", line 218, in plot_wav
    gt_wav = self.vocoder.spec2wav(gt_wav, f0=gt_f0)
  File "E:\다운로드\diff-svc-main (1)\diff-svc-main\network\vocoders\nsf_hifigan.py", line 48, in spec2wav
    if self.h.sampling_rate != hparams['audio_sample_rate']:
AttributeError: 'NsfHifiGAN' object has no attribute 'h'

error occured on training
used anaconda