loading system configuration
Using default values for parameters not given
INFO: Using directory: "display"
INFO: Using existing c-file: ./Histogrammer.c
INFO: Using existing binary: ./Histogrammer.out
INFO: ===
Error: Instrument parameter filename left unset (mcparseoptions)
--------------------------------------------------------------------------
MPI_ABORT was invoked on rank 0 in communicator MPI_COMM_WORLD
with errorcode 1.

NOTE: invoking MPI_ABORT causes Open MPI to kill all MPI processes.
You may or may not see output from other processes, depending on
exactly when Open MPI kills them.
--------------------------------------------------------------------------
INFO: call to mpirun failed with Command 'mpirun -np 1 ./Histogrammer.out --trace=2 --ncount=0.0 --dir=display --format=McCode --bufsiz=10000000 --no-output-files --yes' returned non-zero exit status 1.
Traceback (most recent call last):
File "/u/data/pkwi/WORK/micromamba/envs/mcstas-3.x/share/mcstas/tools/Python/mcrun/mcrun.py", line 975, in <module>
main()
~~~~^^
File "/u/data/pkwi/WORK/micromamba/envs/mcstas-3.x/share/mcstas/tools/Python/mcrun/mcrun.py", line 942, in main
mcstas.run()  # in mccode.py
~~~~~~~~~~^^
File "/u/data/pkwi/WORK/micromamba/envs/mcstas-3.x/share/mcstas/tools/Python/mcrun/mccode.py", line 436, in run
return self.runMPI(args, pipe, override_mpi)
~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/u/data/pkwi/WORK/micromamba/envs/mcstas-3.x/share/mcstas/tools/Python/mcrun/mccode.py", line 492, in runMPI
return Process(binpath).run(args, pipe=pipe)
~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^
File "/u/data/pkwi/WORK/micromamba/envs/mcstas-3.x/share/mcstas/tools/Python/mcrun/mccode.py", line 78, in run
raise err
File "/u/data/pkwi/WORK/micromamba/envs/mcstas-3.x/share/mcstas/tools/Python/mcrun/mccode.py", line 74, in run
proc = run(command, shell=True, check=True, text=True, capture_output=pipe)
File "/u/data/pkwi/WORK/micromamba/envs/mcstas-3.x/lib/python3.14/subprocess.py", line 578, in run
raise CalledProcessError(retcode, process.args,
output=stdout, stderr=stderr)
subprocess.CalledProcessError: Command 'mpirun -np 1 ./Histogrammer.out --trace=2 --ncount=0.0 --dir=display --format=McCode --bufsiz=10000000 --no-output-files --yes' returned non-zero exit status 1.
Using default values for parameters not given

Traceback (most recent call last):
  File "/u/data/pkwi/WORK/micromamba/envs/mcstas-3.x/share/mcstas/tools/Python/mcdisplay/webgl-classic/mcdisplay.py", line 154, in <module>
    main(**args)
    ~~~~^^^^^^^^
  File "/u/data/pkwi/WORK/micromamba/envs/mcstas-3.x/share/mcstas/tools/Python/mcdisplay/webgl-classic/mcdisplay.py", line 126, in main
    instrument = reader.read_instrument()
  File "/u/data/pkwi/WORK/micromamba/envs/mcstas-3.x/share/mcstas/tools/Python/mccodelib/mcdisplayutils.py", line 49, in read_instrument
    self.pipeman.join()
    ~~~~~~~~~~~~~~~~~^^
  File "/u/data/pkwi/WORK/micromamba/envs/mcstas-3.x/share/mcstas/tools/Python/mccodelib/pipetools.py", line 345, in join
    raise self.reader.exc_obj
  File "/u/data/pkwi/WORK/micromamba/envs/mcstas-3.x/share/mcstas/tools/Python/mccodelib/pipetools.py", line 284, in run
    raise Exception("TraceReader - mcrun process exited with code: %s" % str(poll))
Exception: TraceReader - mcrun process exited with code: 1