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AutoCAD Based Sprinklers (Ribbon/Toolbar/Location)
Description:
When trying to insert a sprinkler head schedule, after selecting the heads and attempting to select a point to insert the text, you get the following error;
Command:
Select Heads to put in schedule (as in by floor) or Right-Click to add all heads to schedule
Select objects: Specify opposite corner: 8 found
Select objects:
Please pick start point for schedule
Error: bad argument value: non-negative: -1
The sprinkler head definition box has a mixture of Imperial and Metric values.
In the image below, when viewing the ACC1 blue box for the sprinkler, you can see the value for UPRIGHT is correct where it shows "½" for an Imperial drawing. The value for PEND2 on the right shows 15, which would be fine for a Metric drawing but not for Imperial.
Redifine the sprinkler head to ensure you have a legitimate values for their Piping Connection and Sprinkler Specifics values.