IndexError: index 0 is out of bounds for dimension 1 with size 0


File "/opt/conda/lib/python3.10/site-packages/nemo/collections/asr/parts/preprocessing/features.py", line 414, in forward
    x = torch.cat((x[:, 0].unsqueeze(1), x[:, 1:] - self.preemph * x[:, :-1]), dim=1)
IndexError: index 0 is out of bounds for dimension 1 with size 0


while training the Conformer Transducer model on ASR Task, the datasets used were ( Indicsuperb, Indicvoices, mucs, shrutilipi, vanni )