Unknown *invalid_ skipole* 3D Risers HydraCAD v50

Raising to 3D and you get this error;

Exception Occured at AddURLToHyperlinks :: HydraHeads

System.Runtime.InteropServices.COMException (0x80040154): Retrieving the

COM class factory for component with CLSID

{44D62FAE-67A7-4131-BF38-489CDFE44738} failed due to the following error:

80040154 Class not registered (Exception from HRESULT: 0x80040154

(REGDB_E_CLASSNOTREG)).

Trying to get an elevation but the results are either 0 or an incorrect value

This result should report 3000mm, instead it reports 230mm

This should report 3000mm, not 0mm

When raising to 3D (S3D command), you get a yellow circle with the message "Takeout of fitting does not match takeout expected for a "??????".  Change fitting of fabrication method"

When closing a drawing in 3D, and later re-opening and returning to 2D, some of the drawing symbols show up looking like outlines (Hangers, Sprinklers, etc)

When raising to 3D, you get the following error;

Error inserting to block table HEAD#/HH## to head dictionary

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

When raising to 3D, AutoCAD crashes with no error, no warning, it just closes.

You can test this by closing all open drawings then starting a new drawing using the Hydratec template, "Hydracad Imperial Default".

Draw one pipe 10' long (LN command). 

Place a length & 2" diameter on it (SZP command)

Place a 10' AFF elevation mark on it (AFF command)

Start the process of raising to 3D (S3D command).  It will then crash out without warning around step 2 (something about sprinkler heads).

When viewing your Persistent Model drawing, you see the clamshells/Pacman/bracket for the riser nipples/vertial pipes

Elevation Check: Bad Defline(s)

Corrupt TOS deflines detected Erase and re-insert any deflines with yellow circles at its ends then try again

FATAL ERROR Unhandled Access Violation Reading 0x0000 Exception at 3BC2E053h