Dear all, <br>I'm trying to perform order parameter analysis. I 've use :-<br>make_ndx_d -f xxx.tpr -o sn1.ndx<br><br>> 15 & a Cxx |.......<br>>q<br><br>i've got this error :- <br>Group 15 not exist.<br>
<br>I did not make index before I proceed with grompp for the mdrun, is it cause by this? <br><br>thanks.<br><br>Regards,<br>bing <br>