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ANY GAY HAVE INFORMATION ABOUT THIS ERROR
AeccDbNetworkRule::runDotNetScript Ahmed Unable to run macro: C:\ProgramData\Autodesk\C3D 2015\enu\C3DPipeNetworkRules.dll:PipeNetworkRule.SetSumpDepth::ApplyRule
Try to reset AutoCAD first...
http://upandready.typepad.com/up_and_ready/2012/07/the-easiest-way-to-reset-autocad.html
If that doesn' t work, I would uninstall/reinstall AutoCAD Civil 3D.