3D Details (3D Fittings) missing, only the skipoles are showing

When trying to insert a 3D riser object, you get this error;

Call from 'Hcad3Ddetails-fillGridMisc'

DAO Error:

Could not find file

AutoCAD will likely crash out

After setting up a fitting in the Parts Tree then trying to Insert Fitting, you get the Unhandled Exception error below

eLockViolation

After creating a legend for your 3D riser, you use the ILT command to insert a legend tag.  It inserts the tag, but you get the error.  You have to click CONTINUE then repeat the command to place another one.

Unhandled exception has occurred in a component in your application

Arithmetic operation resulted in an overflow

Application does not support just-in-time (JIT)

The "SECTIONPLANE" command caused various pieces of the 3D Details to disappear. You may be able to delete the SECTION PLANE and have the missing items reappear. n/a n/a Hcad v52+

Object reference not set to an instance of an object

Custom View seems to be the problem.

Discharge and or Suction inputs were typed in and not entered via the pull down. input new pump

blue beam loaded on machine (a pdf writer) 3dfittings unhandled exceptio

Corrupt #741 drawing. 26090000xx.DWG Fatal Error n/a AutoCAD 2014