Tutorial Creating Sample Lines Error Message

[wesbird]

when I follow tutorial "Corridors -> Displaying Cross Sections on an Alignment -> Creating Sample Lines", but does not work. so I re-open the drawing Corridor-5a.dwg. rebuild the "Corridor - (1)". I found this in my event viewer:
0+00.00': Macro file not found at original path specified in subassembly. Updated macro file location to path defined by AECCCONTENT_DIR environment variable.

Offset: 0.0000'
Elevation: 0.000'
Corridor:
Baseline:
Alignment:
Profile:
Assembly:
Assembly Baseline:
Subassembly Group:
Local Subassembly Name:
Global Subassembly Name:
Macro Module:
Macro Name:
Source: D:\Program Files\Autodesk Civil 3D 2007\Data\Models\C3DStockSubassemblyScripts.dvb!C3DStockSubassemblyScripts.MedianDepressedShoulderExt.MedianDepressedShoulderExt

then I type VBARUN, found this:
D:\Program Files\Autodesk Civil 3D 2007\Data\Models\C3DStockSubassemblyScripts.dvb!MedianDepressedShoulderExt.MedianDepressedShoulderExt

How I can finish this tutorial?

Thank you very much for your help.



Wes
Civil 3D 2007