"Unknown command" returned when running any commands or accessing Vehicle Tracking Library in Civil 3D

Autodesk Support

Feb 17, 2025


Products and versions covered


Issue:

"Unknown command" returned when running any commands or accessing Vehicle Tracking Library in Civil 3D.

 

Causes:

There are multiple potential causes for this message:

  • Lack of permissions for using Vehicle Tracking.
  • Updates are not installed.
  • Vehicle Tracking is not installed.
  • Faulty installation of Vehicle Tracking.

Solution:

Use the following strategies to resolve the issue:

Products:

Civil 3D; Vehicle Tracking;


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