KeyError: 'Unable to open object (bad heap free list)'

When I use 20news for classification, I get this error, can anyone help me? I have got the dataset from here. https://fednlp.s3-us-west-1.amazonaws.com/partition_files/20news_partition.h5 https://fednlp.s3-us-west-1.amazonaws.com/data_files/20news_data.h5

Loading data from h5 file.: 0%| | 0/11314 [00:00
train_dl, test_dl = dm.load_centralized_data()
File "/home/FedNLP-master/data_manager/base_data_manager.py", line 112, in load_centralized_data
train_data = self.read_instance_from_h5(data_file, train_index_list)
File "/home/FedNLP-master/data_manager/text_classification_data_manager.py", line 23, in read_instance_from_h5
X.append(data_file["X"][str(idx)][()].decode("utf-8"))
File "h5py/_objects.pyx", line 54, in h5py._objects.with_phil.wrapper
File "h5py/_objects.pyx", line 55, in h5py._objects.with_phil.wrapper
File "/root/miniconda3/envs/fednlp/lib/python3.7/site-packages/h5py/_hl/group.py", line 305, in __getitem__
oid = h5o.open(self.id, self._e(name), lapl=self._lapl)
File "h5py/_objects.pyx", line 54, in h5py._objects.with_phil.wrapper
File "h5py/_objects.pyx", line 55, in h5py._objects.with_phil.wrapper
File "h5py/h5o.pyx", line 190, in h5py.h5o.open
KeyError: 'Unable to open object (bad heap free list)'