[Pw_forum] error message when calculated the phonon freqency

[Paolo Giannozzi]

On Feb 22, 2007, at 11:04 , 陳 少華 wrote:

> Dear members,
> When I calculated the phonon freqency.The error
> message showed up
> "** On entry to ZHPEV  parameter number  1 had an
> illegal value"
>
> Does anyone know what it means ?

it is explained both in the users' guide and in several
messages you can find by searching the mailing list
archives.

Paolo
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Paolo Giannozzi, Democritos and University of Udine, Italy