[gmx-users] FATAL ERROR

[Amol D. Atre]

Hello all,

While running pdb2gmx for cpeptide.pdb included in tutor/gmxdenmo folder I
am getting,

FATAL ERROR: One of the box vectors is shorter than twice the cut-off
length. Increase the box size or decrease rlist.

Can anybody throw some light on this?
OS: Linux Fedora Core

Command line: pdb2gmx -f cpeptide.pdb -o conf.gro -p topol.top -i posre.itp

Thanking in advance.

Regards,
Amol D. Atre.
Lab No.A002,
Chemical Engineering Department,
Mumbai University Institute of Chemical Technology,
Matunga(E), Mumbai-400019.