HydraCARDs | When selecting a new sprinkler from the Head Selector, after selecting Temp & Finish and upon pressing Select Head: Value cannot be null ...Parameter name: loadedFamily <img src="https://hydracards-storage.s3.amazonaws.com/media/public/uploads/2020/05/06/image-20200506210517-1.png" style="height:419px; width:755px" />

Need to save a card for later?

Create a bookmark folder in your browser of choice (Chrome, Firefox...), and save individual cards in your bookmarks to view here later.

Revit Based HydraCAD (Ribbon/Toolbar/Location)

Button: Spacing and Layout Function: New Head from Selector Error Type: value cannot be null

Description:

When selecting a new sprinkler from the Head Selector, after selecting Temp & Finish and upon pressing Select Head:

Value cannot be null ...Parameter name: loadedFamily

Cause:

Your project contains one or more of the following Sprinkler Families:

base_pendentbase_pendent_Concealed
base_sidewall
base_sidewall_Concealed
base_upright

Those names are reserved by HydraCAD for building the specific Sprinkler Families from the head selector.

Solution:

Rename of delete those reserved named Sprinkler Families

ie. base_upright ---> my-base_upright

Updated: Sept. 20, 2022, 3:51 a.m. Created: May 7, 2020, 1:11 a.m.