Upon starting the Show 3D command (S3D) the drawing immediately switches to SE isometric, reports no errors but no 3D piping is visible.  Even newly drawn pipe won't elevate.

Drawing successfully elevated to 3D. No errors were found

Related HydraCARD: #853

https://hydracards.hydratecinc.com/cards/card-853

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)

While raising to 3D, AutoCAD just crashes.  No error, no warning. 

In the status bar, it was working on Computer Generated riser nipples

When attempting to create a 3D model, you get the error;

AutoCAD Error Aborting

INTERNAL ERROR: !dbobji.cpp@8262: eNotOpenForWrite

While attempting to raise to 3D, you get this error message;

Exception Occured at AddURLToHyperlinks::HydraHeads

The drawing will still raise to 3D but you may not have sprinkler heads visible.

(TYPE_E_CANTLOADLIBRARY)

679327F1-F31E-488D-8FBC-124C4F6F588E

DAO32ServerLib.DaoComObj

When trying to raise to 3D, show model, show system model, you get the error;

Access denied to HydraPipe Utilities

and

System.NullReferenceException: Object reference not set to an instance of an object at HCADexports.RevitConversion.create_hydrapipes_from_db()

When attempting to 'Show Fittings' (SHF command), user gets an AutoCAD Fatal Error.

Create 3D Model causes a fatal error

Sprinkler heads not defined in the drawing or no 3D block assigned for a sprinkler head. Going to Navis only - corrupt Persistent Model drawing? eKeyNotFound Dialog box HydraCAD

All SPRKDATA diameters are set to ? while cut diameters are still correct. Not sure of cause.

When making a 3D model, the sprinkler heads appear on the floor.