Runtime Error 6 when Attaching Fittings

Fitting is a RED. COUPLING @ node DAB0C connected to pipes D9FE8 :D9FE2.

Trying to run a auto calc from a drawing.  How do I find the referenced pipes?

bad argument type: numberp: nil

Could not determine size order...

When trying to add information for a new company [Utilities|Alter Company Info], you get the error message; 

"Missing company data file" "Error trying to edit company information" "Please get a copy of Company1.dat"

Coupling do not show, display, print, plot and are not visible in any fashion in plot views with display detail set to coarse or medium.  Was reported by Davis as :  the couplings on long runs of pipe don’t show up in our plot views. No matter if we use medium or course detail level.

error: consp nil

When trying to open HydraCALC, the user gets a Runtime Error 5, "Invalid Procedure Call or Argument"

When defining a flexible sprinkler connection, the following error is raised ("Input string was not in a correct format"):

User created two viewports in a layout tab of a 3D pipe drawn in the 3d_details layer.  One of the viewports plotted fine but the other didn't show the pipe at all.

AutoCAD view of viewports, note the selected pipe is the same in both drawings;

Post plot, PDF View; note all of the 3D Details pipe is missing from the right viewport

Unhandled Exception

Length cannot be less than zero.

Parameter name: length

While doing any sort of editing of the stock list, a random 'run-time error 3040', Disk I/O error during read will pop up, then when clicking OK, HydraLIST will close.  On some occasions, all data will be lost, other times, no data is lost.

Size of PDF is coming out very large.  For instance, a 2MB drawing generates a 13MB .PDF file.

When opening HydraCALC, user is greeted with

Run-time error 62

Input past end of file

Runtime 62 Runtime Error 62

When opening HydraCALC, a runtime-error 380 pops up.

Invalid property value

When opening a specific cac file you get this error

Other calc files open fine

During the process to Retrieve HydraCAD Revit MEP Content, the following error occurs;

Drawing Setup dialog doesn't load

No error but when the HydraCAD template is selected, it goes straight to the drawing and command prompt, it doesn't ask for the user to set the scale factor