received 0 items of ancdata

[zzh1230]

When I executed the train.py, I encountered the following error, how can I solve it?

Traceback (most recent call last): File "train.py", line 192, in trainer.train(train_dataset=train_ds, val_dataset=val_ds) File "/home/hdc/zjh/Diff-UNet-main/LiTS/light_training/trainer.py", line 262, in train self.train_epoch( File "/home/hdc/zjh/Diff-UNet-main/LiTS/light_training/trainer.py", line 361, in train_epoch for idx, batch in enumerate(loader): File "/home/hdc/anaconda3/envs/pytorch/lib/python3.8/site-packages/torch/utils/data/dataloader.py", line 517, in next data = self._next_data() File "/home/hdc/anaconda3/envs/pytorch/lib/python3.8/site-packages/torch/utils/data/dataloader.py", line 1182, in _next_data idx, data = self._get_data() File "/home/hdc/anaconda3/envs/pytorch/lib/python3.8/site-packages/torch/utils/data/dataloader.py", line 1148, in _get_data success, data = self._try_get_data() File "/home/hdc/anaconda3/envs/pytorch/lib/python3.8/site-packages/torch/utils/data/dataloader.py", line 986, in _try_get_data data = self._data_queue.get(timeout=timeout) File "/home/hdc/anaconda3/envs/pytorch/lib/python3.8/multiprocessing/queues.py", line 116, in get return _ForkingPickler.loads(res) File "/home/hdc/anaconda3/envs/pytorch/lib/python3.8/site-packages/torch/multiprocessing/reductions.py", line 282, in rebuild_storage_fd fd = df.detach() File "/home/hdc/anaconda3/envs/pytorch/lib/python3.8/multiprocessing/resource_sharer.py", line 58, in detach return reduction.recv_handle(conn) File "/home/hdc/anaconda3/envs/pytorch/lib/python3.8/multiprocessing/reduction.py", line 189, in recv_handle return recvfds(s, 1)[0] File "/home/hdc/anaconda3/envs/pytorch/lib/python3.8/multiprocessing/reduction.py", line 164, in recvfds raise RuntimeError('received %d items of ancdata' %

[920232796]

First, you can switch the env from "DDP" to "pytorch", using single GPU or CPU to run the code. Then you also need to check the training data.