<DIV>&nbsp;Hi, Mark,<BR>&nbsp;Thanks for the reply.</DIV>
<DIV>&nbsp;You'are right,I forgot to enter the path.And my computer system is Ubuntu 10.04.I want to&nbsp;use&nbsp;the glycam force filed, then I type the command:</DIV>
<DIV>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <STRONG>software/topolbuild1_3/src/topolbuild -h</STRONG></DIV>
<DIV>I got the correct "help information".</DIV>
<DIV>But when I type this&nbsp;integral command:</DIV>
<DIV>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <STRONG>software/topolbuild1_3/src/topolbuild -n myt -dir software/topolbuild1_3/dat/leap/parm -ff glycam06_c&nbsp;</STRONG><STRONG>-r MAL -rename </STRONG></DIV>
<DIV><STRONG>----------------------------------------------------------------</STRONG></DIV>
<DIV>it's error:&nbsp; <A href="mailto:****@ubuntu:~$">****@ubuntu:~$</A> software/topolbuild1_3/src/topolbuild -n myt -dir software/topolbuild1_3/dat/leap/parm&nbsp; -ff glycam06_c -r MAL -rename<BR>Fatal error.<BR>Source code file: atom_types.c, line: 87<BR>Cannot open file software/topolbuild1_3/src/dat/parm/dat/antechamber/ATOMTYPE_GLYCAM.DEF</DIV>
<DIV>--------------------------------------------------------------------</DIV>
<DIV>&nbsp;</DIV>
<DIV>Do you know how to solve this problem ?</DIV>
<DIV>Thanks for you reply!</DIV>
<DIV>&nbsp;</DIV>
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