Statistics  failed.

/net/marbles/raid1/dorothee/rerefine/cryoem/data_no_H/8cvi_27008/01_2024/8cvi_27008.pdb /net/marbles/raid1/dorothee/rerefine/cryoem/data_no_H/8cvi_27008/01_2024/8cvi_27008.map 3.4
Traceback (most recent call last):
  File "/net/marbles/raid1/dorothee/rerefine/cryoem/rerefine_script.py", line 473, in get_statistics
    logger = null_out())
  File "/net/cci-filer2/raid1/xp/phenix/phenix-1.21-5211/modules/phenix/phenix/programs/validation_cryoem.py", line 29, in get_model_stat
    geometry.show(log = logger)
  File "/net/cci-filer2/raid1/xp/phenix/phenix-1.21-5211/modules/cctbx_project/mmtbx/model/statistics.py", line 327, in show
    res = self.result()
  File "/net/cci-filer2/raid1/xp/phenix/phenix-1.21-5211/modules/cctbx_project/mmtbx/model/statistics.py", line 261, in result
    clash            = self.clash(),
  File "/net/cci-filer2/raid1/xp/phenix/phenix-1.21-5211/modules/cctbx_project/mmtbx/model/statistics.py", line 189, in clash
    nuclear         = self.model.is_neutron())
  File "/net/cci-filer2/raid1/xp/phenix/phenix-1.21-5211/modules/cctbx_project/mmtbx/validation/clashscore.py", line 164, in __init__
    log=out)
  File "/net/cci-filer2/raid1/xp/phenix/phenix-1.21-5211/modules/cctbx_project/mmtbx/validation/clashscore.py", line 725, in check_and_add_hydrogen
    output_fname="reduce_fail.pdb")
  File "/net/cci-filer2/raid1/xp/phenix/phenix-1.21-5211/modules/cctbx_project/mmtbx/validation/clashscore.py", line 630, in check_and_report_reduce_failure
    "\n".join(fb_object.stderr_lines)))
Sorry: Reduce crashed with command 'molprobity.reduce  -quiet -trim -'.
Dumping stdin to file 'reduce_fail.pdb'.
Return code: -15
Dumping stderr: