https://forums.autodesk.com/t5/fusion-design-validate-document/modulo-bug/m-p/5859387#M283300 <P><a href="https://forums.autodesk.com/t5/user/viewprofilepage/user-id/226105">@jeff_strater</a><FONT color="#000000">&nbsp;I just tried entering (d1 % 25mm)/2 directly into a dimension like your screencast and it seemed OK until&nbsp;I opened&nbsp;the sketch and double clicked the dimension&nbsp;to edit then Fusion locked up and need to be closed from the task bar.</FONT></P> <P>&nbsp;</P> <P><FONT color="#000000">Just did another test, all you have to do is enter&nbsp;<SPAN>(</SPAN><SPAN>d1</SPAN><SPAN> % </SPAN><SPAN>25mm</SPAN><SPAN>)/2 then enter, right click and cancel dimensioning then double click the dimension&nbsp;and Fusion locks up.</SPAN></FONT></P> <P><FONT color="#000000"><SPAN>Seems like the dimension is OK.</SPAN></FONT></P> <P><FONT color="#000000"><SPAN><IMG src="https://forums.autodesk.com/t5/image/serverpage/image-id/194215i02B8B46CDD00F1AB/image-size/original?v=mpbl-1&amp;px=-1" border="0" alt="Capture.PNG" title="Capture.PNG" /></SPAN></FONT></P> <P>&nbsp;</P> <P><FONT color="#000000">Edit dimension and lockup.</FONT></P> <P><FONT color="#000000"><IMG src="https://forums.autodesk.com/t5/image/serverpage/image-id/194217iC64C1CABF051C24D/image-size/original?v=mpbl-1&amp;px=-1" border="0" alt="Clipboard01.png" title="Clipboard01.png" /></FONT></P> <P>&nbsp;</P> <P>&nbsp;</P> <P><FONT color="#000000">Thanks</FONT></P> Tue, 13 Oct 2015 15:50:01 GMT HughesTooling 2015-10-13T15:50:01Z