When attempting to activate an Entitlement you get the error;

System.Invalid.OperationException: Failed to generate Fingerprint

at HCADLicense.Form1.activate(String product_key, String user_token)
at HCADLicense.Form1.btnAuthorize_Click(Object sender, EventArgs e)

While using the 'Choose Part Number' button to open HydraHEAD Selector and retrieive its description and part number, you get the errors below;

Runtime Error 713, Application-defined or object-defined error

Sprinkler not properly configured.  Please re-select using 'Choose part'

Step 2.3 - After one pass through calculations Miscfunc hangs....

Also possibly "Hydraulic Engine not responding" and a "Runtime Error 62 input past end of file"

When starting the AutoLIST process, the message box shown below pops up.  The process "pretends" to continue through, but when HydraLIST opens, it's completely blank.

Keyboard alias "SAC"

After clicking OK in the AutoCalc Setup window and just before the process begins, you get the following error messages;

Problem updating your Hcad_env.ini file.  /n Will try to rebuild file. /r Pick OK then Restart AutoCALC

Your Hcad_env.ini file is possibly corrupted.  This calc will not continue

Step 1a.3 - Fitting Exchange No replacement fitting name for 22E for Sched-10 Note: This could be any fitting or pipe type described in the error. If you click ok at each error, the process will run through without these fittings

Hydratec Security Lock Error

•      Driver Defective. Uninstall, then reinstall the Sentinel Driver. (FF60).
•      No hardware lock. Make sure your hardware lock is firmly attached to a working port. (FF3).
•      If using a Hardware lock: Bad hardware lock found. Unable to read it properly. (RH60) (RSN60)

For example:

You are not currently authorized to use this Hydratec Product.   Lack of authorization.

When opening HydraCAD, you only receive this error message and not a HydraKEY error with the golden X.  If you receive a HydraKEY error, search for the linked HydraCARD in that message box as it takes priority.

Security Error:  One of the following conditions is likely;

HydraCAD is unable to function under these conditions

• Lock database needs updating in HydraKEY
• Accounting flag on your account
• Hardware lock not plugged in
• Extra ACAD.RX file found in folder in Support File Search Path
• Sentinel driver is missing
• InstallPath registry item set to wrong drive

After AutoCAD opens, press F2 to view the command prompt, see if the text below appears.  If yes, see solution 1.

Could not find file HCAD_ENV.INI

Is 2024; error: no function definition: PRINTEM

After running an Autolist, in HydraLIST and the LINES tab you have a listing tag ID called RM