Statistics  failed.

/net/marbles/raid1/dorothee/rerefine/cryoem/data_no_H/7n8n_24238/07_2023/7n8n_24238.pdb /net/marbles/raid1/dorothee/rerefine/cryoem/data_no_H/7n8n_24238/07_2023/7n8n_24238.map 3.89
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-1.21rc1-5013/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-1.21rc1-5013/modules/cctbx_project/mmtbx/model/statistics.py", line 306, in show
    res = self.result()
  File "/net/cci-filer2/raid1/xp/phenix/phenix-1.21rc1-5013/modules/cctbx_project/mmtbx/model/statistics.py", line 251, in result
    clash            = self.clash(),
  File "/net/cci-filer2/raid1/xp/phenix/phenix-1.21rc1-5013/modules/cctbx_project/mmtbx/model/statistics.py", line 179, in clash
    nuclear         = self.model.is_neutron())
  File "/net/cci-filer2/raid1/xp/phenix/phenix-1.21rc1-5013/modules/cctbx_project/mmtbx/validation/clashscore.py", line 139, in __init__
    log=out)
  File "/net/cci-filer2/raid1/xp/phenix/phenix-1.21rc1-5013/modules/cctbx_project/mmtbx/validation/clashscore.py", line 667, in check_and_add_hydrogen
    output_fname="reduce_fail.pdb")
  File "/net/cci-filer2/raid1/xp/phenix/phenix-1.21rc1-5013/modules/cctbx_project/mmtbx/validation/clashscore.py", line 572, 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: