I encounter the following error reasons during testing. May I know why?

[JeffreyYANGS]

Traceback (most recent call last):
File "F:\pythonProject1\Super-Resolution-Neural-Operator-main\test.py", line 122, in
res = eval_psnr(loader, model,
^^^^^^^^^^^^^^^^^^^^^^^^
File "F:\pythonProject1\Super-Resolution-Neural-Operator-main\test.py", line 62, in eval_psnr
for batch in pbar:
File "F:\pythonProject1\venv\Lib\site-packages\tqdm\std.py", line 1182, in iter
for obj in iterable:
File "F:\pythonProject1\venv\Lib\site-packages\torch\utils\data\dataloader.py", line 630, in next
data = self._next_data()
^^^^^^^^^^^^^^^^^
File "F:\pythonProject1\venv\Lib\site-packages\torch\utils\data\dataloader.py", line 1345, in _next_data
return self._process_data(data)
^^^^^^^^^^^^^^^^^^^^^^^^
File "F:\pythonProject1\venv\Lib\site-packages\torch\utils\data\dataloader.py", line 1371, in _process_data
data.reraise()
File "F:\pythonProject1\venv\Lib\site-packages\torch_utils.py", line 694, in reraise
raise exception
RuntimeError: Caught RuntimeError in DataLoader worker process 0.
Original Traceback (most recent call last):
File "F:\pythonProject1\venv\Lib\site-packages\torch\utils\data_utils\worker.py", line 308, in _worker_loop
data = fetcher.fetch(index)
^^^^^^^^^^^^^^^^^^^^
return collate_fn_map[elem_type](batch, collate_fn_map=collate_fn_map)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "F:\pythonProject1\venv\Lib\site-packages\torch\utils\data_utils\collate.py", line 162, in collate_tensor_fn
return torch.stack(batch, 0, out=out)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
RuntimeError: stack expects each tensor to be equal size, but got [3, 161, 256] at entry 0 and [3, 192, 256] at entry 1