HydraCARDs | <p>Revit could not complete external command... System.NullReferenceException</p>

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Revit Based HydraCAD (Ribbon/Toolbar/Location)

Button: Configure Head Function: Connect Head Error Type: Command Failure for External Command

Description:

Revit could not complete external command... System.NullReferenceException

Cause:

When connecting a pipe to a head, there is already a pipe connected to that head.

Solution:

Erase the pipe connected to the head and retry the command.

Updated: Sept. 19, 2022, 1:59 p.m. Created: Oct. 29, 2021, 7:21 p.m.