[QE-users] Too few bands

[wangzongyi at mail.ustc.edu.cn]

Dear all
Thank you for your help, after revise my scf.in file, I am facing another problem, the program told me that I have too few bands: 
Error in routine check_para_diag (4):
     Too few bands for required ndiag
what should I do.
This is my Si.scf.in file
&CONTROL
calculation='scf',
restart_mode='from_scratch',
prefix='si',
pseudo_dir='./'
outdir='../tmp/',
/
&SYSTEM
ibrav=2,
celldm(1)=10.2625,
nat=2,
ntyp=1,
ecutwfc=60.0,
ecutrho=720.0,
/
&ELECTRONS
mixing_beta=0.7,
conv_thr=1d-8
/
ATOMIC_SPECIES
Si 28.0855 Si.pbe-n-rrkjus_psl.1.0.0.UPF
ATOMIC_POSITIONS alat
Si  0.00  0.00  0.00
Si  0.25  0.25  0.25
K_POINTS automatic
4 4 4 1 1 1


Thank you for your help
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