[Wannier] [Symmetry-adapted Wannier functions] symmetrize_ukirr: not converged

[Ming Lei]

Dear Wannier90 users,

I use symmetry-adapted Wannier functions to calculate fcc Ru, and set
site_symmetry = .true.

In the *.wout file, it shows

Error in symmetrize_u: not converged
Either eps is too small or specified irreps is not
  compatible with the bands
diff,eps=    0.2396064663E+02    0.1000000000E-06
 Exiting.......
 symmetrize_ukirr: not converged

I increase symmetrize_eps to 0.1 and still show this error.

Below is the part of *.win file I have:

num_bands         =   25
num_wann          =   6

site_symmetry = .true.
symmetrize_eps=  1d-7

dis_win_min       = 10.3322
dis_win_max       = 36.3322

begin projections
f= 0.000, 0.000, 0.000: s
f= 0.000, 0.000, 0.000: d
end projections

write_hr = true
fermi_energy = 23.3322 ev
bands_plot = .true.
wannier_plot = .true.

wannier_plot_supercell = 3

begin kpoint_path
G 0.0000 0.0000 0.0000   H 0.500 -0.5000  0.5000
H 0.500 -0.5000 0.5000  P 0.2500 0.2500  0.2500
P 0.2500 0.2500 0.2500  N 0.0000 0.0000 0.5000
N 0.0000 0.0000 0.5000  G 0.0000 0.0000 0.000
end kpoint_path

begin unit_cell_cart
bohr
   0.000000000   3.600994269   3.600994269
   3.600994269   0.000000000   3.600994269
   3.600994269   3.600994269  -0.000000000
end unit_cell_cart

Can anyone help me with this? Thanks in advance.

Best,

Ming Lei
UC Riverside
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