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    On 1/05/2011 6:56 AM, delara aghaie wrote:
    <blockquote cite="mid:272708.85612.qm@web130120.mail.mud.yahoo.com"
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                Dear Justin</div>
              <div>&nbsp; I have started lyzosyme tutorial. when using the
                command pdb2gmx I get the following error.</div>
              <div>Please guide me to solve it</div>
              <div>thanks</div>
              <div>Regards</div>
              <div>D. Aghaie</div>
              <div>&nbsp;</div>
              <div><font color="#00007f">&nbsp;Program pdb2gmx, VERSION
                  4.0.99-dev-20100315<br>
                  Source code file:
                  /apps/gromacs/build/gromacs-4.5-beta3/src/kernel/pdb2top.c,
                  line: 147</font></div>
              <div><font color="#00007f">Fatal error:<br>
                  <font color="#7f003f">No force fields found (files
                    with name 'forcefield.itp' in subdirectories ending
                    on '.ff')<br>
                  </font>For more information and tips for
                  troubleshooting, please check the GROMACS<br>
                  website at </font><a moz-do-not-send="true"
                  href="http://www.gromacs.org/Documentation/Errors"><font
                    color="#00007f">http://www.gromacs.org/Documentation/Errors</font></a><br>
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    </blockquote>
    <br>
    I added a discussion of this error to the above link.<br>
    <br>
    Mark<br>
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