[Phonopy-users] Error when create a FORCE-SET file

[Luong H. D. <161...@st...>]

Hello,
I am a new user of PHONOPY. I ran some examples and it work fine. Then I
try to apply to my case followed the instruction in
https://atztogo.github.io/phonopy/vasp.html?fbclid=IwAR00xo75Sz0tMooH7EckpAtucbkqmPGL3nryMhFu1QMhOpvkOQcOqArwrYo
In step calculation Force_set, I got an error like following. Could you
please help me out?
Best wishes and regards!
Luong Huu Duc

counter (file index): Traceback (most recent call last):

  File "/home/lhduc/anaconda3/bin/phonopy", line 412, in <module>

    log_level=log_level)

  File
"/home/lhduc/anaconda3/lib/python3.6/site-packages/phonopy/interface/__init__.py",
line 358, in create_FORCE_SETS

    verbose=(log_level > 0))

  File
"/home/lhduc/anaconda3/lib/python3.6/site-packages/phonopy/interface/__init__.py",
line 436, in get_force_sets

    verbose=verbose)

  File
"/home/lhduc/anaconda3/lib/python3.6/site-packages/phonopy/interface/vasp.py",
line 64, in parse_set_of_forces

    force_sets.append(vasprun.read_forces())

  File
"/home/lhduc/anaconda3/lib/python3.6/site-packages/phonopy/interface/vasp.py",
line 509, in read_forces

    return self._parse_expat_vasprun_xml()

  File
"/home/lhduc/anaconda3/lib/python3.6/site-packages/phonopy/interface/vasp.py",
line 612, in _parse_expat_vasprun_xml

    return self._parse_by_expat(self._fileptr)

  File
"/home/lhduc/anaconda3/lib/python3.6/site-packages/phonopy/interface/vasp.py",
line 617, in _parse_by_expat

    return vasprun.get_forces()[-1]

IndexError: index -1 is out of bounds for axis 0 with size 0