rockstar error

  File "/users/carla/scripts/run_rockstar-galaxies.py", line 9, in <module>
    hc.create()
  File "/opt/apps/pkgs/yt_astro_analysis/313cf31/intel64/gnu_9.1.0/cpython_3.8.9/lib/python3.8/site-packages/yt_astro_analysis/halo_analysis/halo_catalog/halo_catalog.py", line 333, in create
    self._run(save_halos, save_output,
  File "/opt/apps/pkgs/yt/4.0.dev0/intel64/gnu_9.1.0/cpython_3.8.9/lib/python3.8/site-packages/yt/utilities/parallel_tools/parallel_analysis_interface.py", line 310, in barrierize
    retval = func(*args, **kwargs)
  File "/opt/apps/pkgs/yt_astro_analysis/313cf31/intel64/gnu_9.1.0/cpython_3.8.9/lib/python3.8/site-packages/yt_astro_analysis/halo_analysis/halo_catalog/halo_catalog.py", line 224, in _run
    self.finder_method(self)
  File "/opt/apps/pkgs/yt_astro_analysis/313cf31/intel64/gnu_9.1.0/cpython_3.8.9/lib/python3.8/site-packages/yt_astro_analysis/halo_analysis/halo_catalog/halo_finding_methods.py", line 39, in __call__
    return self.function(hc, *self.args, **self.kwargs)
  File "/opt/apps/pkgs/yt_astro_analysis/313cf31/intel64/gnu_9.1.0/cpython_3.8.9/lib/python3.8/site-packages/yt_astro_analysis/halo_analysis/halo_catalog/halo_finding_methods.py", line 87, in _rockstar_method
    rh = RockstarHaloFinder(ds, **finder_kwargs)
  File "/opt/apps/pkgs/yt_astro_analysis/313cf31/intel64/gnu_9.1.0/cpython_3.8.9/lib/python3.8/site-packages/yt_astro_analysis/halo_analysis/halo_finding/rockstar/rockstar.py", line 234, in __init__
    tds = ts[-1] # Cache a reference
  File "/opt/apps/pkgs/yt/4.0.dev0/intel64/gnu_9.1.0/cpython_3.8.9/lib/python3.8/site-packages/yt/data_objects/time_series.py", line 214, in __getitem__
    o = self._load(o, **self.kwargs)
P000 yt : [ERROR    ] 2021-04-14 15:27:09,625 AttributeError: 'EnzoSimulation' object has no attribute 'kwargs'