Traceback (most recent call last):
  File "/usr/local/lib/python3.8/dist-packages/crystal_genome_util/aflow_util.py", line 267, in aflow_command
    return subprocess.check_output(cmd_str, shell=True, stderr=subprocess.PIPE,encoding="utf-8")
  File "/usr/lib/python3.8/subprocess.py", line 415, in check_output
    return run(*popenargs, stdout=PIPE, timeout=timeout, check=True,
  File "/usr/lib/python3.8/subprocess.py", line 516, in run
    raise CalledProcessError(retcode, process.args,
subprocess.CalledProcessError: Command 'aflow --np=1 --compare_materials -D compare --no_scale_volume --screen_only --quiet --print=json' returned non-zero exit status 50.

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "../../td/EquilibriumCrystalStructure__TD_457028483760_002/runner", line 170, in <module>
    find_unique_materials_and_write_properties(COMPARE_DIR, prototype_label, energy_per_atom, species)
  File "/usr/local/lib/python3.8/dist-packages/crystal_genome_util/property_util/equilibrium_crystal_structure.py", line 201, in find_unique_materials_and_write_properties
    comparison=aflow.compare_materials_dir(compare_dir)
  File "/usr/local/lib/python3.8/dist-packages/crystal_genome_util/aflow_util.py", line 309, in compare_materials_dir
    output=self.aflow_command([
  File "/usr/local/lib/python3.8/dist-packages/crystal_genome_util/aflow_util.py", line 272, in aflow_command
    raise RuntimeError("ERROR: unexpected error from aflow command %s , error code = %d\nstderr: %s" % (cmd_str, exc.returncode, exc.stderr))
RuntimeError: ERROR: unexpected error from aflow command aflow --np=1 --compare_materials -D compare --no_scale_volume --screen_only --quiet --print=json , error code = 50
stderr: 
Command exited with non-zero status 1

{"realtime":55.02,"usertime":9.70,"systime":43.31,"memmax":89308,"memavg":0}