[AMBER] Periodicity error in parmtop file

From: Shomesankar Bhunia <rightclickatrighttime.gmail.com>
Date: Mon, 17 Sep 2012 06:27:44 -0400

Hii
 i am using AMBER FF in NAMD and i am getting the following error. The
problem is in the .prmtop file for which the following error is displayed

*FATAL ERROR: The periodicity of dihedral # 41 is zero!*
*
*
*i looked at the paramtop file and i found that t**he dihedral periodicity
at 41 is 0 (marked red)*
*

*
*
%FLAG DIHEDRAL_PERIODICITY

*
*
%FORMAT(5E16.8)

  1.00000000E+00 2.00000000E+00 2.00000000E+00 2.00000000E+00
 3.00000000E+00
  4.00000000E+00 1.00000000E+00 2.00000000E+00 3.00000000E+00
 3.00000000E+00
  1.00000000E+00 2.00000000E+00 3.00000000E+00 3.00000000E+00
 1.00000000E+00
  3.00000000E+00 1.00000000E+00 2.00000000E+00 3.00000000E+00
 1.00000000E+00
  2.00000000E+00 3.00000000E+00 3.00000000E+00 1.00000000E+00
 3.00000000E+00
  3.00000000E+00 2.00000000E+00 2.00000000E+00 2.00000000E+00
 2.00000000E+00
  2.00000000E+00 2.00000000E+00 2.00000000E+00 2.00000000E+00
 2.00000000E+00
  2.00000000E+00 2.00000000E+00 2.00000000E+00 3.00000000E+00
 2.00000000E+00
  0.00000000E+00 2.00000000E+00 2.00000000E+00 2.00000000E+00
 2.00000000E+00
*
How to resolve it?
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Received on Mon Sep 17 2012 - 03:30:03 PDT
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