Dear Layla and Prof. Giannozzi, Thank you for your reply. I think this error which is related with PGI fortran compiler. Because this error did not occur when I using intel fortran. I will try to remove it.
Sincerely, WANG -------------- next part -------------- An HTML attachment was scrubbed... URL: http://www.democritos.it/pipermail/pw_forum/attachments/20110720/59d6306b/attachment.htm