IndexError: list index out of range when running the Router

[ancarnevali]

Hi!
I am encountering a problem when running the BaTiO3 notebook.
After the imports, running

router = SynthesisRoutes(
    mp_id, 
    confine_to_icsd=True, 
    confine_to_stables=True, 
    explicit_includes=[TiO2_rutile,BaCO3_beta,TiO_ordered, BaTi2O5], 
    exclude_compositions=['BaTiO3'],
    allow_gas_release=True,
    confine_competing_to_icsd=False,
    add_elements=['C']
)

returns an IndexError with traceback:

IndexError                                Traceback (most recent call last)
      10 TiO2_rutile = 'mp-2657' # Additional relevant phase to explicitly include
      11 BaCO3_beta = 'mp-4559'  # Additional relevant phase to explicitly include
----> 13 router = SynthesisRoutes(
      14     mp_id, 
     15     confine_to_icsd=True, 
     16     confine_to_stables=True, 
     17     explicit_includes=[TiO2_rutile,BaCO3_beta,TiO_ordered, BaTi2O5], 
     18     exclude_compositions=['BaTiO3'],
     19     allow_gas_release=True,
     20     confine_competing_to_icsd=False,
     21     add_elements=['C']
     22 )

File .\site-packages\piro\route.py:129, in SynthesisRoutes.__init__(self, target_entry_id, confine_to_icsd, confine_to_stables, hull_distance, simple_precursors, explicit_includes, exclude_compositions, allow_gas_release, add_elements, flexible_competition, entries, epitaxies, similarities, sigma, transport_constant, custom_target_entry, confine_competing_to_icsd)
    126 else:
    127     self.elts = list(self.target_entry.composition.as_dict().keys())
--> 129 self.get_precursor_library()
    130 print("Precursor library ready.")
    131 self.epitaxies = (
    132     epitaxies
    133     if epitaxies
    134     else get_epitaxies(self.precursor_library, self.target_entry)
...
    194     return self.custom_target_entry
    195 else:
--> 196     return [e for e in self.entries if e.entry_id == self.target_entry_id][0]

IndexError: list index out of range

Any idea on how to fix this?