All layers where objects should appear white in AutoCAD will randomly turn brown in color (colors 18, 19, 248, or 249)

Note the pipe dimension and main piping in the image above are brown instead of white.

Turn off Wipeout frames was selected, but the drawing still has wipeouts

When inserting a listing tag on a pipe, you get the error, "Invalid color number"

When clicking the Calculate button or the OK button from the Pre-Calc Questions window, you get a Runtime-error 5,

Run-time error '5': Invalid procedure call or argument

When attempting to insert a cap, it draws the pipe and dimensions it, but it doesn't insert a cap.

However if you draw a test pipe elsewhere, it successfully inserts the cap for you

When running the "FSC Setup" to "Create FSC Definition". 
Upon finishing the block definition, the block definition is missing a crucial property for "Hydraulic equivalent length is referenced by:". This field will show blank or the default generic text and did not include the HydraCALC pipe/fitting reference information.

There is a missing HydraCALC "ImportExport" directory.

Default line text:
`Hydraulic equivalent length is referenced by: shortname with length number - longname Listing: FM`

After attempting to download the Latest Toolbox, a warning appears saying the file cannot be opened. 
Tells user to delete toolbox .rvt file and try again, but that does not work. 

When performing AutoCalc, the following error is displayed.

Unhandled Exception... startIndex cannot be larger than the length of string.
(Parameter 'startIndex').

You get an error when opening or closing one of your Hydratec products that is using a Network Subscription for Authorization.  If you have Logged out of HydraKEY while using it, you may get this error, in which case, you must log back in to get access to your product again.

You get an error when opening or closing one of your Hydratec products that is using a Network Subscription for Authorization.  If you have Logged out of HydraKEY while using it, you may get this error, in which case, you must log back in to get access to your product again.

You get an error when opening or closing one of your Hydratec products that is using a Network Subscription for Authorization.  If you have Logged out of HydraKEY while using it, you may get this error, in which case, you must log back in to get access to your product again.

You get a strange error when opening or closing one of your Hydratec products that is using a Network Subscription for Authorization.  If you have Logged out of HydraKEY while using it, you may get this error, in which case, you must log back in to get access to your product again.

You get a strange error when closing one of your Hydratec products that is using a Network Subscription for Authorization.  If you have Logged out of HydraKEY while using it, you may get this error, in which case, you must log back in to get access to your product again.

You get a strange error when closing one of your Hydratec products that is using a Network Subscription for Authorization.  If you have Logged out of HydraKEY while using it, you may get this error, in which case, you must log back in to get access to your product again.

When editing the cells, you receive the error Run-time error '6', Overflow

Unable to select a pipe or fitting when trying to use the Delete Pipe tool.

Autocad seems "jumpy" and the screen occasionally flickers.  Sometimes, an in-progress command will cancel out when the screen jumps

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..."

Error Releasing Cloud Subscription from server:

<A SPECIFIC ERROR WILL DISPLAY HERE>

Released Cloud Subscription on server: (<SUBSIPTION NUMBER>) but failed to release it locally.    This is likely due to decreased privleges to your registry on this machine.