loading system configuration
Using all default parameter values
INFO: Using directory: "display"
INFO: Using existing c-file: ./MCPL2Mantid_flat.c
INFO: Using existing binary: ./MCPL2Mantid_flat.out
INFO: ===
INFO: call to ./MCPL2Mantid_flat.out failed with Command './MCPL2Mantid_flat.out --trace=1 --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 661, in <module>
main()
~~~~^^
File "/u/data/pkwi/WORK/micromamba/envs/mcstas-3.x/share/mcstas/tools/Python/mcrun/mcrun.py", line 633, 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 403, 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 458, 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 577, in run
raise CalledProcessError(retcode, process.args,
output=stdout, stderr=stderr)
subprocess.CalledProcessError: Command './MCPL2Mantid_flat.out --trace=1 --ncount=0.0 --dir=display --format=McCode --bufsiz=10000000 --no-output-files --yes' returned non-zero exit status 1.
Using all default parameter values
square x limits=[-0.3 0.3] bins=128 y limits=[-0.3 0.3] bins=128
mantid square x limits=[-0.3 0.3] bins=128 y limits=[-0.3 0.3] bins=128, neutron pixel min=0 t, list all neutrons
Component                         Origin AT (0,0,0)
Component                      MCPLinput AT (0,0,0)
Component                   sourceMantid AT (0,0,-10)
Component                   sampleMantid AT (0,0,0)
Component                            PSD AT (0,0,6)
Component                    nD_Mantid_1 AT (0,0,6)
[MCPL2Mantid_flat] Initialize
MCPL ERROR: Unable to open file!

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 203, in <module>
    main(**args)
    ~~~~^^^^^^^^
  File "/u/data/pkwi/WORK/micromamba/envs/mcstas-3.x/share/mcstas/tools/Python/mcdisplay/webgl-classic/mcdisplay.py", line 170, in main
    instrument = reader.read_instrument()
  File "/u/data/pkwi/WORK/micromamba/envs/mcstas-3.x/share/mcstas/tools/Python/mccodelib/mcdisplayutils.py", line 46, 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