No error, but when trying to put a seismic brace on a vertical pipe, it won't place itself down. It keeps prompting to make a selection. 

After finishing a process in HydraLIST, no report appears afterwards. (HydraVIEW does not open)

When selecting the Hangers button, this error displays. 

No error, but when selecting the Sleeves button, the loading circle / hourglass will appear then disappear. But nothing will happen, the sleeves dialog box never comes up. 

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)

After creating a legend for your 3D riser, you use the ILT command to insert a legend tag.  It inserts the tag, but you get the error.  You have to click CONTINUE then repeat the command to place another one.

Unhandled exception has occurred in a component in your application

Arithmetic operation resulted in an overflow

Application does not support just-in-time (JIT)

Hanger Assembly dropdown list is incomplete. 

When opening HydraCAD, you get this error

Unhandled Exception...DAO32Server...

Command Failure for External Command... System.OutOfMemoryException

Command Failure for External Command... System.NullReferenceException

Command failure for external command ... System.IO.FileNotFoundException ... File name 'AWSSDK'

When drawing objects, you get these icons/images/boxes next to the drawn object.  If you hover over it, it mentions an osnap option

Calculation stops at Step 1a.4 - calcing total lengths

Can be accompanied with a "Runtime error 5 - invalid procedure call or argument" or "Runtime error 6 - overflow"

HydraKEY icon disappears from the desktop when trying to run the application after install. 

When trying to export to Navis, you get this error message;

TWO SYMPTOMS:

Drawing fittings and pipe look disjointed, like that time an alien team of scientists were performing out-of-phase medical experiments on the Voyager crew.

Or, on the way into Revit, you get this error;

Error (must be addressed in order to continue)

Revit has experienced an unexpected error.  The operation has been cancelled to protect your project from corruption

Deleted element

When reporting the error, you may see this;

Hashtable head_table, Hashtable FLXpipeTable, List '1 listFtgs, flexpipes PipeTypeInfo ptInfo

When double-clicking a .WXF file, you get the error, "An error has occurred and HydraCALC cannot be loaded;

Path:  

File: 

Printing a stock list displays printout which looks like very small print.  Trying to change the printer by using the SETUP button makes no difference.

Couplings get closer than expected to outlets when cutting in. 

During a HydraCALC re-install, you are presented with this error message.  After clicking OK, you have to finish the incomplete install process 

Error: -1605  This action is only valid for products that are currently installed

Selecting any of the three choices below will  result in the same error.