https://forums.autodesk.com/t5/navisworks-forum/navisworks-manage-2015-amp-revit-project-parameter-problem/m-p/5622237#M19493 <P>After your reply, I tried to create different conditions.</P><P>As you were advised, shared paramter text file raised a problem.</P><P>Our&nbsp;revit central files(including shared paramter text)&nbsp;were moved to another sever several times, and upgraded twice(2013 to 2014, 2014 to 2015).</P><P>Same Shared parameter text file might&nbsp;be&nbsp;regard as a different by Navisworks.&nbsp;</P><P>&nbsp;</P><P>When I&nbsp;did&nbsp;the same thing with new shared parameter text file and new parameter, it worked clearly.</P><P>Navisworks showed one parameter.</P><P>However, I&nbsp;did same thing with&nbsp;'YH_Shared Parameter.txt' in use&nbsp;ongoing my project, it didn't work.</P><P>I tried with 'TEST1' paramter under the goup 'project parameter'.</P><P>And then, I created new group and parameter on 'YH_Shared Parameter.txt' (named 'Goup1' and 'paramter1''parameter2'), it worked.</P><P>&nbsp;</P><P>Filnally, my question is</P><P>what is the difference between 'parameter1' and 'TEST1'?</P><P>Below&nbsp;image shows 'TEST1' is not&nbsp;bacome one.</P><P>I attached my shared parameter text file.</P><P>&nbsp;</P><P><IMG src="https://forums.autodesk.com/t5/image/serverpage/image-id/167042i52C31B536835B474/image-size/original?v=mpbl-1&amp;px=-1" border="0" alt="K-16.jpg" title="K-16.jpg" /><IMG src="https://forums.autodesk.com/t5/image/serverpage/image-id/167041i85CA3715F40CF49B/image-size/original?v=mpbl-1&amp;px=-1" border="0" alt="K-15.jpg" title="K-15.jpg" /></P> Wed, 06 May 2015 00:44:35 GMT Anonymous 2015-05-06T00:44:35Z