Generic Warning: In /usr/local/dhcp/1.1.0-a/build/VTK/Common/Core/vtkMath.cxx, line 548
Unable to factor linear system

Error: Could not find a closed intersection with finite cutting plane near segmentation boundary!
Traceback (most recent call last):
  File "/usr/local/dhcp/1.1.0-a/build/MIRTK/build/lib/tools/recon-neonatal-cortex", line 938, in <module>
    check=args.check)
  File "/usr/local/dhcp/1.1.0-a/build/MIRTK/build/lib/tools/recon-neonatal-cortex", line 587, in recon_neonatal_cortex
    temp=temp_dir, check=check)
  File "/usr/local/dhcp/1.1.0-a/build/MIRTK/build/lib/python/mirtk/deformable/neonatal_cortex.py", line 1202, in join_cortical_surfaces
    'smoothing-iterations': 100, 'smoothing-lambda': 1})
  File "/usr/local/dhcp/1.1.0-a/build/MIRTK/build/lib/python/mirtk/deformable/neonatal_cortex.py", line 183, in run
    _run(tool, args=args, opts=opts, verbose=showcmd, threads=threads)
  File "/usr/local/dhcp/1.1.0-a/build/MIRTK/build/lib/python/mirtk/subprocess.py", line 162, in run
    check_call(argv, verbose=verbose)
  File "/usr/local/dhcp/1.1.0-a/build/MIRTK/build/lib/python/mirtk/subprocess.py", line 124, in check_call
    _call(argv, verbose=verbose, execfunc=subprocess.check_call)
  File "/usr/local/dhcp/1.1.0-a/build/MIRTK/build/lib/python/mirtk/subprocess.py", line 114, in _call
    return execfunc(argv)
  File "/usr/local/python/2.7.13/lib/python2.7/subprocess.py", line 186, in check_call
    raise CalledProcessError(retcode, cmd)
CalledProcessError: Command '[u'/usr/local/dhcp/1.1.0-a/build/MIRTK/build/lib/tools/merge-surfaces', '-smoothing-iterations', '100', '-source-array', 'RegionId', '-largest', 'True', '-smoothing-lambda', '1', '-output', '/scratch/brac4g/structural_data/dhcp_110a/workdir/subject1-session1/surfaces/subject1-session1/vtk/temp-recon/subject1-session1/cerebrum-1.vtp', '-snap-tolerance', '0.1', '-input', 'surfaces/subject1-session1/vtk/temp-recon/subject1-session1/cerebrum-rh.vtp', 'surfaces/subject1-session1/vtk/temp-recon/subject1-session1/cerebrum-lh.vtp', '-dividers', 'True', '-labels', 'surfaces/subject1-session1/vtk/temp-recon/subject1-session1/region-labels.nii.gz', '-tolerance', '1']' returned non-zero exit status 1
Error: recon-neonatal-cortex command returned non-zero exit status 1