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<div style="direction: ltr;font-family: Tahoma;color: #000000;font-size: 10pt;">Dear experts,<br>
<br>
I want to calculate x photons as described below:<br>
<br>
first run scf calculation, then a nscf calculation, then a ph.x run for a while and then stopped.<br>
<br>
the output is below:<br>
<br>
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%<br>
Error in routine set_irr_sym_new (5722):<br>
wrong representation<br>
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%<br>
<br>
stopping ...<br>
<br>
what should I do?<br>
<br>
thank you in advance,<br>
<br>
Abdullah <br>
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