https://forums.autodesk.com/t5/revit-structure-forum/reference-planes-are-overconstrained/m-p/12758332#M3522 <P>Trying to add an instance parameter for the horizontal location of holes (instance parameter "Location of First Row of Holes") similarly to how I did for the vertical location but I get the "Reference Planes are overcontrained" error. I did not get this error for "Location of First Column of Holes" instance parameter, so I'm confused about why it's happening. Any ideas on how to fix it?</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="mbolinSTBLH_0-1715097299008.png" style="width: 600px;"><img src="https://forums.autodesk.com/t5/image/serverpage/image-id/1359298i94501F6B48A56BE3/image-size/medium?v=v2&amp;px=400" role="button" title="mbolinSTBLH_0-1715097299008.png" alt="mbolinSTBLH_0-1715097299008.png" /></span></P><P>&nbsp;</P> Tue, 07 May 2024 15:57:47 GMT mbolinSTBLH 2024-05-07T15:57:47Z https://forums.autodesk.com/t5/revit-structure-forum/reference-planes-are-overconstrained/m-p/12758332#M3522 <P>Trying to add an instance parameter for the horizontal location of holes (instance parameter "Location of First Row of Holes") similarly to how I did for the vertical location but I get the "Reference Planes are overcontrained" error. I did not get this error for "Location of First Column of Holes" instance parameter, so I'm confused about why it's happening. Any ideas on how to fix it?</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="mbolinSTBLH_0-1715097299008.png" style="width: 600px;"><img src="https://forums.autodesk.com/t5/image/serverpage/image-id/1359298i94501F6B48A56BE3/image-size/medium?v=v2&amp;px=400" role="button" title="mbolinSTBLH_0-1715097299008.png" alt="mbolinSTBLH_0-1715097299008.png" /></span></P><P>&nbsp;</P> Tue, 07 May 2024 15:57:47 GMT https://forums.autodesk.com/t5/revit-structure-forum/reference-planes-are-overconstrained/m-p/12758332#M3522 mbolinSTBLH 2024-05-07T15:57:47Z https://forums.autodesk.com/t5/revit-structure-forum/reference-planes-are-overconstrained/m-p/12758511#M3523 <P>Please post the family, it will help.</P> Tue, 07 May 2024 17:30:44 GMT https://forums.autodesk.com/t5/revit-structure-forum/reference-planes-are-overconstrained/m-p/12758511#M3523 tkunsmanWKCCM 2024-05-07T17:30:44Z https://forums.autodesk.com/t5/revit-structure-forum/reference-planes-are-overconstrained/m-p/12759910#M3524 <P>You have already defined that value/dimensions with the Hole Spacing Vertical and Length/Width as this value it the remainder so cannot be defined.</P><P>&nbsp;</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="jay_colcombe_0-1715159579556.png" style="width: 600px;"><img src="https://forums.autodesk.com/t5/image/serverpage/image-id/1359629iF3B341CC50A9A687/image-size/medium?v=v2&amp;px=400" role="button" title="jay_colcombe_0-1715159579556.png" alt="jay_colcombe_0-1715159579556.png" /></span></P><P>You either drive the Hole Position by "Spacing" or "Edge Distance" the other value would be a Reporting Parameter as it will give you a value defined by the other Parameter</P> Wed, 08 May 2024 09:17:00 GMT https://forums.autodesk.com/t5/revit-structure-forum/reference-planes-are-overconstrained/m-p/12759910#M3524 jay_colc 2024-05-08T09:17:00Z