Surface frame connection is related to something other than a valid surface. Change connection to unsupported and then re-select the supporting member. - Intergraph Smart 3D - Administration

Intergraph Smart 3D Troubleshooting Reference

Intergraph Smart 3D
Administration & Configuration

Meaning: The provided surface input into the surface frame connection is not a valid surface. This is an internal software failure where a planar object was provided but does not properly behave as a surface.


  1. Open the Structure task.

  2. Click Select .

  3. Set the Locate Filter to Frame Connections.

  4. Select the frame connection in error.

  5. Select More from the Connection box on the ribbon.

  6. Click Surface in the tree view and then select Surface-Default in the list view.

  7. Redefine the end location of the member.