About Surface Snapshot Rebuilding Errors

An exclamation icon may be displayed next to the definition of the surface in the Prospector tree view if a source file cannot be located.

When you attempt to rebuild the surface snapshot, the following error message is displayed:

Unable to rebuild Surface. Couldn't find file(s).

If you installed AutoCAD Civil 3D to a location other than the default, you must update the XML file’s path before you can update the snapshot.

1. To update the path, right-click the surface name in the Prospector tree, right-click, and click Properties.
2. In the Surface Properties dialog box, on the Definition tab, click the folder icon next to Import XML File.
3. In the Import XML File dialog box, browse to the location of the XML files.
4. Click Open. Click OK.
5. When prompted if you want to rebuild the surface, click Yes to update the surface properties, and rebuild the surface.
6. To update the snapshot, right-click the surface name in the Prospector tree, and click Rebuild Snapshot.
7. Right-click the surface name in the Prospector tree, and click Rebuild.