复现训练hard数据集报错

[lailai]

Traceback (most recent call last):
  File "<string>", line 1, in <module>
  File "E:\Anconda3\lib\multiprocessing\spawn.py", line 116, in spawn_main
Traceback (most recent call last):
  File "main.py", line 155, in <module>
    exitcode = _main(fd, parent_sentinel)
  File "E:\Anconda3\lib\multiprocessing\spawn.py", line 126, in _main
    self = reduction.pickle.load(from_parent)
_pickle.UnpicklingError: pickle data was truncated
    main()
  File "main.py", line 120, in main
    trainloss = train(model, epoch+1, train_loader, op, device, CONFIG, loss_func
)
  File "F:\GNN\BGCN-master\train.py", line 15, in train
    for i, data in enumerate(loader):
  File "E:\Anconda3\lib\site-packages\torch\utils\data\dataloader.py", line 352,
in __iter__
    return self._get_iterator()
  File "E:\Anconda3\lib\site-packages\torch\utils\data\dataloader.py", line 294,
in _get_iterator
    return _MultiProcessingDataLoaderIter(self)
  File "E:\Anconda3\lib\site-packages\torch\utils\data\dataloader.py", line 801,
in __init__
    w.start()
  File "E:\Anconda3\lib\multiprocessing\process.py", line 121, in start
    self._popen = self._Popen(self)
  File "E:\Anconda3\lib\multiprocessing\context.py", line 224, in _Popen
    return _default_context.get_context().Process._Popen(process_obj)
  File "E:\Anconda3\lib\multiprocessing\context.py", line 327, in _Popen
    return Popen(process_obj)
  File "E:\Anconda3\lib\multiprocessing\popen_spawn_win32.py", line 93, in __init__
    reduction.dump(process_obj, to_child)
  File "E:\Anconda3\lib\multiprocessing\reduction.py", line 60, in dump
    ForkingPickler(file, protocol).dump(obj)
OSError: [Errno 22] Invalid argument

您好，这是我在train sample后接着训练hard报出的错，请问一下是什么问题呢？万分感谢