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Error: Bad Argument Type: ListP (Running a Schedule)


You received an error containing the text Bad Argument Listp when trying to run a plant, irrigation, or Reference Notes schedule.

Seeing a different bad argument type error? See our Error: Bad argument type landing page.



This issue is the result of a bug, which we patched in Version 13.56.


To resolve the issue, update to the latest version.

Last modified on May 17, 2018


  • Land F/X

Our software tailors AutoCAD to the needs of landscape architects, irrigation designers, and other professionals. We automate your most tedious tasks and ensure accuracy, giving you more time to design.

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