Dear developers,
here is a bug that I've encountered with optical calculation.

I have a charged system:
Total number of electrons:  7248.000000
Total ionic charge:  7300.000000

I specify Optical.NumberOfBands   3628
but obtain an error

Optical: You need include at least 3650
Optical: bands for the occupied states,
Optical: and some excited states
Optical: No calculation performed

i.e. the program takes Total ionic charge as a determining factor whereas it should take Total number of electrons.

This applies to siesta-3.1-pl9, not sure whether it was fixed in pl11.

Sincerely,
Alexander

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