I am facing a run time error "too many values to unpack" [closed]

ValueError: Caught ValueError in DataLoader worker process 0.Original Traceback (most recent call last):  File "/opt/conda/lib/python3.10/site-packages/torch/utils/data/_utils/worker.py", line 308, in _worker_loop    data = fetcher.fetch(index)  File "/opt/conda/lib/python3.10/site-packages/torch/utils/data/_utils/fetch.py", line 54, in fetch    return self.collate_fn(data)  File "/tmp/ipykernel_33/3309646839.py", line 97, in custom_collate  File "/tmp/ipykernel_33/3309646839.py", line 97, in <listcomp>ValueError: too many values to unpack (expected 2)

I'm getting an error "too many values to unpack". I don't know how to overcome this error.