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AutoCAD Based Sprinklers (Ribbon/Toolbar/Location)

Button: Head Schedule Error Type: Bad Argument

Description:

When trying to insert a Sprinkler Head Schedule (SHS command), after viewing the setup dialog box, then selecting sprinkler heads, when asked to select a location for the guide, you get the error;


Please pick start point for schedule

Error: bad argument value: non-negative: -1



Solutions:

Cause:

The definition of one of the sprinklers is bad.  In this case, a Sprinkler Definition Box (blue box) was copied from a Metric drawing and placed into an Imperial (Freedom Units) drawing.



Solution:

To narrow down the bad sprinkler head, try the SHS command and select a single sprinkler head to see if that one works.  Use the process of elimination to find the offending sprinkler head definition.  

When you discover the bad one, redefine that sprinkler head and try again.

Updated: Dec. 9, 2024, 11:28 a.m. Created: Dec. 9, 2024, 11:28 a.m.