<pre>I have some problem about simulating an iron-sulfur bond.<br>I got the following grompp error message<br>"No default G96Bond types"<br>"No default G96Angle types"<br>"No default G96Proper Gih types"<br>
<br>What should I do to resolve this problem? <br><br>Many thanks<br><br>Yuranat,<br></pre>