Hi all, I am trying to some thing in include ff43a1.hdb and getting the flollowing error: Error in hdb file: nah = 45 line = ' ' What is that mean? With regards, Abu -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://maillist.sys.kth.se/pipermail/gromacs.org_gmx-users/attachments/20050902/cc972849/attachment.html>