error: write h5 file fail

[zznx]

ad.write(filename='ab.h5')
I used SCCAF but find this problem ,can you help me? thank you

OSError Traceback (most recent call last)
d:\program files\python37\lib\site-packages\anndata_io\utils.py in func_wrapper(elem, key, val, *args, **kwargs)
187 try:
--> 188 return func(elem, key, val, *args, **kwargs)
189 except Exception as e:

d:\program files\python37\lib\site-packages\anndata_io\h5ad.py in write_series(group, key, series, dataset_kwargs)
265 dtype=h5py.special_dtype(vlen=str),
--> 266 **dataset_kwargs,
267 )

d:\program files\python37\lib\site-packages\h5py_hl\group.py in create_dataset(self, name, shape, dtype, data, **kwds)
138 if name is not None:
--> 139 self[name] = dset
140 return dset

d:\program files\python37\lib\site-packages\h5py_hl\group.py in setitem(self, name, obj)
372 if isinstance(obj, HLObject):
--> 373 h5o.link(obj.id, self.id, name, lcpl=lcpl, lapl=self._lapl)
374

h5py_objects.pyx in h5py._objects.with_phil.wrapper()

h5py_objects.pyx in h5py._objects.with_phil.wrapper()

h5py\h5o.pyx in h5py.h5o.link()

OSError: Unable to create link (name already exists)

The above exception was the direct cause of the following exception:

[Puriney]

OSError: Unable to create link (name already exists)

Probably delete the existing 'ab.h5' file which saved the partial results. Then re-run to export.