有人知道这个怎末解决吗

Exception in thread Thread-8:
Traceback (most recent call last):
File "/opt/conda/envs/python35-paddle120-env/lib/python3.7/threading.py", line 926, in _bootstrap_inner
self.run()
File "/opt/conda/envs/python35-paddle120-env/lib/python3.7/threading.py", line 870, in run
self._target(*self._args, **self._kwargs)
File "/opt/conda/envs/python35-paddle120-env/lib/python3.7/site-packages/paddle/fluid/dataloader/dataloader_iter.py", line 213, in _thread_loop
self._thread_done_event)
File "/opt/conda/envs/python35-paddle120-env/lib/python3.7/site-packages/paddle/fluid/dataloader/fetcher.py", line 134, in fetch
data = self.collate_fn(data)
File "/opt/conda/envs/python35-paddle120-env/lib/python3.7/site-packages/paddle/fluid/dataloader/collate.py", line 77, in default_collate_fn
return [default_collate_fn(fields) for fields in zip(*batch)]
File "/opt/conda/envs/python35-paddle120-env/lib/python3.7/site-packages/paddle/fluid/dataloader/collate.py", line 77, in
return [default_collate_fn(fields) for fields in zip(*batch)]
File "/opt/conda/envs/python35-paddle120-env/lib/python3.7/site-packages/paddle/fluid/dataloader/collate.py", line 61, in default_collate_fn
return layers.stack(batch, axis=0)
File "/opt/conda/envs/python35-paddle120-env/lib/python3.7/site-packages/paddle/fluid/layers/nn.py", line 10184, in stack
return _C_ops.stack(x, 'axis', axis)
RuntimeError: (PreconditionNotMet) Tensor's dimension is out of bound.Tensor's dimension must be equal or less than the size of its memory.But received Tensor's dimension is d8 memory's size is 0.
[Hint: Expected numel() * SizeOfType(type()) <= memory_size(), but received numel() * SizeOfType(type()):8 > memory_size():0.] (at /paddle/paddle/fluid/framework/tensor.cc:39)
[operator < stack > error]