Dear Elio,

> I know that this error is due to not having enough bands for all kpoints. 
> However I find it difficult to get this information because of the entangled 
> band in Fe.
>
> 1- Is there a way to resolve this issue as I intend to use this method for a 
> more complicated system?
It depends on the system under consideration. Almoust every time -
yes, the issue could be resolved.

> 2- I know that it is possible to define the range of energies instead of the 
> band number? How does the format work? Can this solve the above issue. Find 
> below my input file for the wanier_ham.x executable.

add
use_energy_int = .true.
key into the &inputpp namelist and then set emin and emax values
instead of band_min band_max numbers, i.e.:
Wannier# 1 -5.4 8.0

>
> &inputpp
>  prefix='Fe'
>  outdir='./OUT'
>  nwan = 9
> /
> WANNIER_AC
>  Wannier# 1 1 9
>  atom 1
>  s 1 1.0
>  Wannier# 2 1 9
>  atom 1
>  p  1 1.0
>  Wannier# 3 1 9
>  atom 1
>  p 2 1.0
>  Wannier# 4 1 9
>  atom 1
>  p 3 1.0
>  Wannier# 5 1 9
>  atom 1
>  d 1 1.0
>  Wannier# 6 1 9
>  atom 1
>  d 2 1.0
>  Wannier# 7 1 9
>  atom 1
>  d 3 1.0
>  Wannier# 8 1 9
>  atom 1
>  d 4 1.0
>  Wannier# 9 1 9
>  atom 1
>  d 5 1.0
>
> Thanks in advance.
>
> Elio Moujaes
> UNIR
> Brazil
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-- 
Best regards,
Dr. Dmitry Korotin

Institute of Metal Physics
S. Kovalevskaya, 18
620108 Yekaterinburg
Russia
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