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.

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

When inserting a VP, the text shows double white text, not white and magenta.  Using the CEL or CUL command still shows the double text

3D model process is starting on a dead end vertical main pipe. Any process of making model.

A space in the Main ID Fabricated main

Missing or frozen layer Unhandled Except. v50

bad UCS setting select vp

Unknown but HydraHeads is having problems using Nitro Pro to view the PDF files n/a Viewing PDF 50.19.3

No error , main tagged as welded fab gets listed as threaded material with an Auto Line Number inserted at a riser nipple where the main changes elevation. not listed missing as a line in lines listed as threaded auto line tag autoline tag auto tag none

1. top of structure blocks have disassociated themselves from the top of structure definition lines. unhandledexception