Unhandled Exception has occurred in a component... Item has already been added. Key in dictionary. Key being added: '[handle of object]' CodeBase: file: ../HCAD_HUI.DLL

Unhandled exception: object reference not set to an instance of an object

Unhandled Exception When clicking the 'Finish Area #' button at the completion of the AutoCALC process, a diablob box pops up; "Object reference not set to an Instance of an object" Just in time JIT Just-in-time System.NullReferenceException: CalcingNameSpace.AutoCalcForm.redButton

When starting AutoCALC, it stops in the v50 Fuel Gauge at step 1a.4 - Calculating Total Lengths. 

Working on the pipe from node xxx to node xxx with a fitting string...

May be followed by a Runtime Error 13 as well

Run-time error 76 Also happens when trying to open the SIZING window in the Calc Setup screen.

Runtime Error 5 1.A.1

When attempting to run AutoCALC, a message on the command prompt says, "hcad_acd file not found"

Step 5a.3e - Path/File Read Error

Step 1a.1 - You may be missing a selected pipe type from master.dat or no pipe type has been selected for a particular system component

After calc area # is picked - dialog box runs through gathering information and closes with message "Failed to create file to send to calcs....Exiting"