Statistics: Creating restraints_manager  failed.

/net/marbles/raid1/dorothee/rerefine/cryoem/data_no_H/8v6k_42994/07_2024/8v6k_42994.cif /net/marbles/raid1/dorothee/rerefine/cryoem/data_no_H/8v6k_42994/07_2024/8v6k_42994.map 2.46
Traceback (most recent call last):
  File "/net/marbles/raid1/dorothee/rerefine/cryoem/rerefine_script.py", line 390, in get_statistics
    checked_model.process(make_restraints=True)
  File "/net/cci-filer2/raid1/xp/phenix/phenix-dev-5388/modules/cctbx_project/mmtbx/model/model.py", line 1981, in process
    allow_missing_symmetry = True)
  File "/net/cci-filer2/raid1/xp/phenix/phenix-dev-5388/modules/cctbx_project/mmtbx/utils/__init__.py", line 288, in process_pdb_files
    allow_missing_symmetry   = allow_missing_symmetry)
  File "/net/cci-filer2/raid1/xp/phenix/phenix-dev-5388/modules/cctbx_project/mmtbx/utils/__init__.py", line 359, in _process_pdb_file
    substitute_non_crystallographic_unit_cell_if_necessary=allow_missing_symmetry)
  File "/net/cci-filer2/raid1/xp/phenix/phenix-dev-5388/modules/cctbx_project/mmtbx/monomer_library/pdb_interpretation.py", line 5804, in __init__
    restraints_loading_flags=restraints_loading_flags)
  File "/net/cci-filer2/raid1/xp/phenix/phenix-dev-5388/modules/cctbx_project/mmtbx/monomer_library/pdb_interpretation.py", line 3611, in __init__
    log=log,
  File "/net/cci-filer2/raid1/xp/phenix/phenix-dev-5388/modules/cctbx_project/mmtbx/monomer_library/pdb_interpretation.py", line 2838, in __init__
    conf_altloc=conformer.altloc, mm=mm)
  File "/net/cci-filer2/raid1/xp/phenix/phenix-dev-5388/modules/cctbx_project/mmtbx/monomer_library/pdb_interpretation.py", line 984, in assign_from_monomer_mapping
    '    new symbol: "%s" (%s)' % (symbol, source)]))
Sorry: Conflicting scattering type symbols:
  initial symbol: "N" (from pdb element column)
      new symbol: "NA" (with residue name  NA)
  atom:
    "HETATM42353  NA   NA A 909 .*.     N  "