Revit could not complete the external command... Object Reference not set to an instance of an object.

Initialization Failed... Could not find part of the path

Spacing and Layout... Unhandled Exception... Method not found: HeadSelectorForm

When accessing a HydraLIST wizard, this error appears: 

The error is

When accessing a HydraLIST wizard

The cause: an entry in the wizard file has been deleted, causing a blank field in the wizard

The solution: send the .wzrd file to Hydratec for repair. The .wzrd file is located in the :\HES\Hydlist\VER50\Data\Setup

As always, let me know if you have questions and when the card is ready for review.

Unhandled Exception... System.ArgumentOutOfRangeException: Index was out of range

Auto Adjust Fittings defaults to unchecked.

Error encountered when creating an FSC block... Can appear as either of the two shown below:

Welded and Grooved POLs look strange when modeled in Metric units, and their dynamic lengths are reported incorrectly.

There was an error while inserting the specified element.... The given path's format is not supported

When inserting a SIDEWALL sprinkler, HydraCAD does not ask for the rotation angle of the sprinkler head, it inserts it at 0°

Ideally, it should ask for the rotation angle of the sprinkler head;

Command Failure for External Command... The Parameter is Read-Only

When using 'Publish selected layouts' or doing a batch plot in AutoCAD 2024, the riser nipple/vertial pipe does not display correctly.  It'll either be missing outright or a proxy bounding box will be in its place.  If you plot a single sheet, it works fine.

AutoCAD 2024 batch plot

'

AutoCAD 2024 single plot

A second copy of PIPEX blocks (SPRKDATA layer) appears on the drawing when using NWCOUT

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

Sprinkler heads not defined in the drawing or no 3D block assigned for a sprinkler head. Going to Navis only - corrupt Persistent Model drawing? eKeyNotFound Dialog box HydraCAD

NOTE - If you are getting this message when opening AutoCAD/HydraCAD by using your desktop icon, see HydraCARD #260.  

When opening, closing, or saving a specific drawing, you only receive this error message and not a HydraKEY security error with the golden X. 

After AutoCAD opens, press F2 to view the command prompt, see if the text below appears.  This may or may not be related, IDK.

Is 2024; error: no function definition: PRINTEM

You will likely this message as well;

All of the possible directories for storing temporary files either do not exist or are readonly.  Please correct this situation before running AutoCAD again.

No message. Double-clicking a DWG file to launch AutoCAD opens drawing but also starts a new drawing or brings up the Start Menu.

After Autolist has run, your drawing doesn't display any cut pipe dimensions.  Only cut vertical pipes/riser nipples are visible, but not the megenta PIPEX block

After processing a stock list, the Total weight value displays as -999.0000