Having problem when running code

FileNotFoundError: Caught FileNotFoundError in DataLoader worker process 0.
Original Traceback (most recent call last):
File “/usr/local/lib/python3.9/dist-packages/torch/utils/data/_utils/worker.py”, line 302, in _worker_loop
data = fetcher.fetch(index)
File “/usr/local/lib/python3.9/dist-packages/torch/utils/data/_utils/fetch.py”, line 58, in fetch
data = [self.dataset[idx] for idx in possibly_batched_index]
File “/usr/local/lib/python3.9/dist-packages/torch/utils/data/_utils/fetch.py”, line 58, in
data = [self.dataset[idx] for idx in possibly_batched_index]
File “”, line 20, in getitem
img = Image.open(DIR_TRAIN + image_name)
File “/usr/local/lib/python3.9/dist-packages/PIL/Image.py”, line 2975, in open
fp = builtins.open(filename, “rb”)
FileNotFoundError: [Errno 2] No such file or directory: ‘/content/traincat.4832.jpg’

Hello, could you tell us more information, e.g., what code are you running, what is the DGL version, etc.?