https://community.graphisoft.com/t5/Documentation/SECTION-MARKER/m-p/157638#M24008 Llian:<BR /> <BR /> I think because it is a <B>Linked marker</B>, not a <B>Source marker</B>. In the Help files (search <FONT color="blue">Section marker</FONT>), there are a number of options/settings that are available for <B>Source markers</B> only.<BR /> <BR /> David Thu, 11 Aug 2011 17:52:38 GMT David Maudlin 2011-08-11T17:52:38Z https://community.graphisoft.com/t5/Documentation/SECTION-MARKER/m-p/157637#M24007 <DIV class="actalk-migrated-content"><T>Why is the Auto-Rebuild Model grey-out? <BR /> This is not making sense ..Each time I make a change on plan, the section is not updated and I keep deleting and making a new marker to update changes.<BR /> I've linked my marker to a drawing sheet # ; has this got to do with it ?</T></DIV><BR /><IMG src="http://community.graphisoft.com/t5/image/serverpage/image-id/71744i934F340E994D2E14/image-size/large?v=v2&amp;px=999" border="0" alt="Screen shot 2011-08-10 at 2.30.01 PM.png" title="Screen shot 2011-08-10 at 2.30.01 PM.png" /> Tue, 30 May 2023 10:28:25 GMT https://community.graphisoft.com/t5/Documentation/SECTION-MARKER/m-p/157637#M24007 Llian 2023-05-30T10:28:25Z https://community.graphisoft.com/t5/Documentation/SECTION-MARKER/m-p/157638#M24008 Llian:<BR /> <BR /> I think because it is a <B>Linked marker</B>, not a <B>Source marker</B>. In the Help files (search <FONT color="blue">Section marker</FONT>), there are a number of options/settings that are available for <B>Source markers</B> only.<BR /> <BR /> David Thu, 11 Aug 2011 17:52:38 GMT https://community.graphisoft.com/t5/Documentation/SECTION-MARKER/m-p/157638#M24008 David Maudlin 2011-08-11T17:52:38Z