Hydratec Inc.

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AutoCAD Based 3D Modeling (Ribbon/Toolbar/Location)

Button: Show System Model Error Type: Please switch to system model


When attempting to create a 3D model, you get the error; Please switch to System Model to Annotate Drops and Sprigs plus

System.NullReferenceException: Object reference not set to an instance of an object

at HCADexports.RevitConversion.create_hydrapipes_from_db()

at HCADexports.RevitConversion.create_hydrafittings_from_db(List'1 pipes, List'1 heads)




Bad system boundary


The system boundary drawn was setup as non-rectangular and two points crossed over each other. 


Delete and redraw the boundary or fix the boundary by moving the grips so the line does not intersect itself.

Updated: March 8, 2024, 4:39 p.m. Created: April 26, 2022, 9:55 a.m.