Statistics: Model class (with restraints) from pdb  failed.

/net/marbles/raid1/dorothee/rerefine/cryoem/data_no_H/7ppo_13583/01_2022/7ppo_13583.pdb /net/marbles/raid1/dorothee/rerefine/cryoem/data_no_H/7ppo_13583/01_2022/7ppo_13583.map 2.91
Traceback (most recent call last):
  File "/net/marbles/raid1/dorothee/rerefine/cryoem/rerefine_script.py", line 345, in get_statistics
    model.process(make_restraints=True)
  File "/net/cci-filer2/raid1/xp/phenix/phenix-1.20-4459/modules/cctbx_project/mmtbx/model/model.py", line 1709, in process
    allow_missing_symmetry = True)
  File "/net/cci-filer2/raid1/xp/phenix/phenix-1.20-4459/modules/cctbx_project/mmtbx/utils/__init__.py", line 287, in process_pdb_files
    allow_missing_symmetry   = allow_missing_symmetry)
  File "/net/cci-filer2/raid1/xp/phenix/phenix-1.20-4459/modules/cctbx_project/mmtbx/utils/__init__.py", line 358, in _process_pdb_file
    substitute_non_crystallographic_unit_cell_if_necessary=allow_missing_symmetry)
  File "/net/cci-filer2/raid1/xp/phenix/phenix-1.20-4459/modules/cctbx_project/mmtbx/monomer_library/pdb_interpretation.py", line 5745, in __init__
    restraints_loading_flags=restraints_loading_flags)
  File "/net/cci-filer2/raid1/xp/phenix/phenix-1.20-4459/modules/cctbx_project/mmtbx/monomer_library/pdb_interpretation.py", line 3552, in __init__
    log=log,
  File "/net/cci-filer2/raid1/xp/phenix/phenix-1.20-4459/modules/cctbx_project/mmtbx/monomer_library/pdb_interpretation.py", line 2778, in __init__
    conf_altloc=conformer.altloc, mm=mm)
  File "/net/cci-filer2/raid1/xp/phenix/phenix-1.20-4459/modules/cctbx_project/mmtbx/monomer_library/pdb_interpretation.py", line 950, in assign_from_monomer_mapping
    '    new symbol: "%s" (%s)' % (symbol, source)]))
Sorry: Conflicting scattering type symbols:
  initial symbol: "H" (from pdb element column)
      new symbol: "O" (with residue name 86N)
  atom:
    "HETATM 3634  OXT 86N A 860 .*.     H  "