Dear Justin I have removed the blank lines but getting a new warning while doing gmx pdb2gmx:-
WARNING: Duplicate line found in or between hackblock and rtp entries I am not getting what else is wrong. Could you please help me to figure out. I have shared the file on the following link:- https://www.dropbox.com/s/c6tg9q4i0ara3vu/atomtypes.atp?dl=0 Thanks. Sadaf -- Gromacs Users mailing list * Please search the archive at http://www.gromacs.org/Support/Mailing_Lists/GMX-Users_List before posting! * Can't post? Read http://www.gromacs.org/Support/Mailing_Lists * For (un)subscribe requests visit https://maillist.sys.kth.se/mailman/listinfo/gromacs.org_gmx-users or send a mail to gmx-users-requ...@gromacs.org.