[Pw_forum] ban band number

[dev sharma]

Hi 2 All,

I was trying to calculate optical properties of my system using Epsilon.x.
After Scf, when i run espilon it gave error
 Performing eps calculation...

 %%%%%%%%%%%%%%%%%%%%%%%%
     from epsilon : error #         1
     ban band number
 %%%%%%%%%%%%%%%%%%%%%%%%

     stopping ..

Please help and guide me , what does at mean and what is the possible
solution. ???
Thanks in advance

Dev sharma,
University of Delhi,
India
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