Polylines and leaders etc. appear to be hollow.

Runtime Error 53, File Not Found HydexVB.DLL Transfer to HydraCALC

Runtime Error 5 Invalid Procedure Call or Argument 

No error occurs but HydraCAD will not properly load and Hcad commands do not work.  

A quick test is to select the drop menu [File|New], select the template file 'HydraCAD Imperial Default.dwt'.  

The Drawing Setup window should appear but it does not, it loads straight into a blank drawing.

This is what you should see (press F2 to review the text window);

Instead you only see;

HCAD_ADS r4 functions Loaded.

AutoCAD menu utilities loaded.
Requires an integer between 0 and 32767.

3dFitting registry keys found

Requires an integer between 0 and 32767. 
 

When clicking the abacus to enter a length, you get this error;

Unhandled exception has occurred in a component in your application.  If you click Continue, the application will ignore this error and attempt to continue.

Index and length must refer to a location within the string.  Parameter name: length

When clicking the abacus to enter a length, you get this error;

Unhandled exception has occurred in a component in your application.  If you click Continue, the application will ignore this error and attempt to continue.

Index and length must refer to a location within the string.  Parameter name: length

when placing a TOS defline and a item is picked to place the Tos defline. If the item has a Z coordinate then this can be assinged the TOS block. the defline will be a 0 but the blocks will be elevated (although it looks normal) this will usually raise once and then the error will occur even if you put a new defline in. tos id missing

Customer reports that when trying to move an object by exposing the grips, the process takes a very long time and almost seems like AutoCAD freezes.

"Clicking blocks and dragging by node, doing pipe sizings, etc..."

When attempting to Select Sprinkler (SS or SSP command), you get the error;

Point or option keyword required.

Specify insertion point or [Basepoint/Scale/X/Y/Z/Rotate/Explode/REpeat]:

Specify rotation angle <0>:

Then your sprinkler definition box will want to be inserted, rotated and each value set individually

When selecting "Retrieve Part Num/Desc <" from the sprinkler Block Definition window, you get the error;

Error: bad argument type: stringp nil