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[<6671011@163.com>]

Dear friends,

After getting the phonon band structure by running the trf2_5 in tutorespfn, I
add
         ng2qpt 20 20 20
         prtdos 1
to calculate the phonon DOS. However, anaddb refuses to work and exports the
following error:
      invars9 : ERROR -
      ifcflag must be 1 when the calculation of the phonon DOS is required
      Action : correct ifcflag in your input file.
The wired thing is that trf2_5.in does set ifcflag=1.  So why does anaddb
ignore it in this case?

Thanks a lot.

Sincerely,
Guangfu Luo