Crash when using unsharp without paganin

Overwriting configuration: start_z = 1080 and end_z = 1080
Going to reconstruct slices (1080, 1080)

Processing sub-volume (1080, 1081)
Warning: kernel support is too large for data dimension 0 (1). Forcing convolution mode to 'nearest'
Reading data
Applying flat-field
Performing unsharp mask
Traceback (most recent call last):
  File "/scisoft/users/paleo/.venv/py37/bin/nabu", line 8, in <module>
    sys.exit(main())
  File "/scisoft/users/paleo/.venv/py37/lib/python3.7/site-packages/nabu/resources/cli/reconstruct.py", line 147, in main
    R.reconstruct()
  File "/scisoft/users/paleo/.venv/py37/lib/python3.7/site-packages/nabu/app/local_reconstruction.py", line 285, in reconstruct
    self.pipeline.process_chunk(sub_region=task["sub_region"])
  File "/scisoft/users/paleo/.venv/py37/lib/python3.7/site-packages/nabu/app/fullfield.py", line 701, in process_chunk
    self._process_chunk()
  File "/scisoft/users/paleo/.venv/py37/lib/python3.7/site-packages/nabu/app/fullfield.py", line 683, in _process_chunk
    self._apply_unsharp()
  File "/scisoft/users/paleo/.venv/py37/lib/python3.7/site-packages/nabu/app/utils.py", line 32, in wrapper
    res = func(*args, **kwargs)
  File "/scisoft/users/paleo/.venv/py37/lib/python3.7/site-packages/nabu/app/fullfield.py", line 606, in _apply_unsharp
    self._get_cropped_radios()
  File "/scisoft/users/paleo/.venv/py37/lib/python3.7/site-packages/nabu/app/fullfield.py", line 161, in _get_cropped_radios
    ((up_margin, down_margin), (left_margin, right_margin)) = self._phase_margin
TypeError: cannot unpack non-iterable NoneType object