Complex Pipeline still Coupling Successful, but after ended with an runtime error

[Prasanth-Kumar87]

/home/administrator/.local/lib/python3.10/site-packages/evcouplings/visualize/parameters.py:137: RuntimeWarning: divide by zero encountered in log2
B = -fi * np.log2(fi)
/home/administrator/.local/lib/python3.10/site-packages/evcouplings/visualize/parameters.py:137: RuntimeWarning: invalid value encountered in multiply
B = -fi * np.log2(fi)
Traceback (most recent call last):
File "/home/administrator/.local/bin/evcouplings_runcfg", line 8, in
sys.exit(app())
File "/usr/lib/python3/dist-packages/click/core.py", line 1128, in call
return self.main(*args, **kwargs)
File "/usr/lib/python3/dist-packages/click/core.py", line 1053, in main
rv = self.invoke(ctx)
File "/usr/lib/python3/dist-packages/click/core.py", line 1395, in invoke
return ctx.invoke(self.callback, **ctx.params)
File "/usr/lib/python3/dist-packages/click/core.py", line 754, in invoke
return __callback(*args, **kwargs)
File "/home/administrator/.local/lib/python3.10/site-packages/evcouplings/utils/pipeline.py", line 583, in app
outcfg = run(**kwargs)
File "/home/administrator/.local/lib/python3.10/site-packages/evcouplings/utils/pipeline.py", line 570, in run
return execute_wrapped(**config)
File "/home/administrator/.local/lib/python3.10/site-packages/evcouplings/utils/pipeline.py", line 508, in execute_wrapped
outcfg = execute(**config)
File "/home/administrator/.local/lib/python3.10/site-packages/evcouplings/utils/pipeline.py", line 187, in execute
outcfg = runner(**incfg)
File "/home/administrator/.local/lib/python3.10/site-packages/evcouplings/compare/protocol.py", line 1250, in run
return PROTOCOLSkwargs["protocol"]
File "/home/administrator/.local/lib/python3.10/site-packages/evcouplings/compare/protocol.py", line 961, in complex
outcfg, first_sifts_map = _identify_monomer_structures("first", outcfg, first_aux_prefix)
File "/home/administrator/.local/lib/python3.10/site-packages/evcouplings/compare/protocol.py", line 945, in _identify_monomer_structures
sifts_map, sifts_map_full = _identify_structures(
File "/home/administrator/.local/lib/python3.10/site-packages/evcouplings/compare/protocol.py", line 152, in _identify_structures
s = SIFTS(
File "/home/administrator/.local/lib/python3.10/site-packages/evcouplings/compare/sifts.py", line 341, in init
self.table = pd.read_csv(
File "/usr/local/lib/python3.10/dist-packages/pandas/util/_decorators.py", line 311, in wrapper
return func(*args, **kwargs)
File "/usr/local/lib/python3.10/dist-packages/pandas/io/parsers/readers.py", line 680, in read_csv
return _read(filepath_or_buffer, kwds)
File "/usr/local/lib/python3.10/dist-packages/pandas/io/parsers/readers.py", line 575, in _read
parser = TextFileReader(filepath_or_buffer, **kwds)
File "/usr/local/lib/python3.10/dist-packages/pandas/io/parsers/readers.py", line 934, in init
self._engine = self._make_engine(f, self.engine)
File "/usr/local/lib/python3.10/dist-packages/pandas/io/parsers/readers.py", line 1218, in _make_engine
self.handles = get_handle( # type: ignore[call-overload]
File "/usr/local/lib/python3.10/dist-packages/pandas/io/common.py", line 667, in get_handle
ioargs = _get_filepath_or_buffer(
File "/usr/local/lib/python3.10/dist-packages/pandas/io/common.py", line 424, in _get_filepath_or_buffer
raise ValueError(msg)
ValueError: Invalid file path or buffer object type: <class 'NoneType'>