On Apr 22, 2010, at 12:23 , peyman amiri wrote: > from n_plane_waves : error # 1 > No PWs ! this is very strange: you should never get such a message unless you are using more processors than plane waves. P. --- Paolo Giannozzi, Dept of Physics, University of Udine via delle Scienze 208, 33100 Udine, Italy Phone +39-0432-558216, fax +39-0432-558222