Error: Bad DXF Group: (62) (Working With Irrigation Equipment or Pipes)
Issue
You saw the following error message: Bad DXF group: (62).
Cause
This issue is caused by an XML bug.
Solution
1. Navigate to your LandFX folder, and go to the following location: LandFX/data/xml.cache
2. Delete all files from within that folder.

3. Restart CAD. You should now be able to continue working without seeing the error.