sbml_importer = amici.SbmlImporter('../rawDataFiles/mass2frakVs_fromMatlabSimBiology.xml')
2023-02-14 21:16:18.366 - amici.sbml_import - ERROR - libSBML SBML component consistency (Error): The value of a <species>'s 'units' attribute is restricted. 
Reference: L2V4 Section 4.8.5
 The value of a <species>'s 'substanceUnits' attribute can only be one of the following: 'substance', 'mole', 'item', 'gram', 'kilogram', 'dimensionless', or the identifier of a <unitDefinition> derived from 'mole' (with an 'exponent' of '1'), 'item' (with an 'exponent' of '1'), 'gram' (with an 'exponent' of '1'), 'kilogram' (with an 'exponent' of '1'), or 'dimensionless'.  The current value ('MWBUILTINUNIT_liter') is not allowed.

Traceback (most recent call last):

  File "/tmp/ipykernel_2979/3590856256.py", line 1, in <module>
    sbml_importer = amici.SbmlImporter('../rawDataFiles/mass2frakVs_fromMatlabSimBiology.xml')

  File "/home/winkmal/.local/lib/python3.10/site-packages/amici/sbml_import.py", line 151, in __init__
    self._process_document()

  File "/home/winkmal/.local/lib/python3.10/site-packages/amici/sbml_import.py", line 184, in _process_document
    _check_lib_sbml_errors(self.sbml_doc, self.show_sbml_warnings)

  File "/home/winkmal/.local/lib/python3.10/site-packages/amici/sbml_import.py", line 2058, in _check_lib_sbml_errors
    raise SBMLException(

SBMLException: SBML Document failed to load (see error messages above)