[Pw_forum] error in phonon calculation

[Stefano de Gironcoli]

The message you mention should come out when  performing a calculation with
lsda flag on and fixed occupation . is this your situation ?
Since in lsda one should allow spin  up and down state to find their 
selfconsistent
value this choice is probably wrong.
However if you know that what you are doing is right, go ahead.

stefano

Jose C. Conesa wrote:

>Dear all,
>I tried to run a phonon calculation. When launching the ph.x program (after successfully 
>completing the previous steps) I obtain the following output:
>
>
>%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
>%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
>     from phq_setup : error #        -1
>
> 
>%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
>
>  
>