When trying to open the Overrides dialog box, you get this error;

Error: bad argument type: stringp nil

There is a frozen and / or locked HydraCAD layer. or RNs with 0-0 length

After clicking the 'Calc Area 1' button, the Runtime Error 5 immediately pops up. Run-time Error 5, Invalid Procedure Call or Argument

Transfer to HydraCALC Step 1a.2 Loading Fitting Exchange Data Run-time 9 Runtime 9 Run-time Error 9 Runtime Error 9

Run-time error 76 Path not found Runtime Error 76

Extra line of input was entered into the VPUMP.DAT file found here; \HES\HydraCAD\Ver50\Programs\3DFTGS Unhandled Exception Insert Pump n/a

Upon starting the Checkup command for AutoCalc, the command starts but stops. The Command Prompt says; "Initializing... Checking to make sure heads are in the right layer...bad argument type: stringp nil" As a side note, the user's drawing had multiple repeat head definition boxes (blue boxes in ACC1 layer). These were cleaned up (deleted) and the heads redefined. The AUDIT command was run after the cleanup

Missing application n/a Choose Part Number n/a

Figure Head Area cannot find the APQ block in the drawing's block table. **Possible there's a missing registry entry** Dialog box 54.04

Pipe Diameter does not get adjusted. New pipe not sized.