When running an autolist, you're no longer getting the listing tag IDs such as MAIN A.1, MAIN A.2, MAIN A.3, etc show up on your drawing.  It only shows the original tag of MAIN A 

Same can be said for line tags #LN1.1, #LN1.2, etc

Printing a calc shows this error in HydraVIEW;

File not found Runtime Error 53

When selecting Adjustable Ring Hangers for pipe sizes larger than 8" the detail does not show.

When closing a drawing in 3D, and later re-opening and returning to 2D, some of the drawing symbols show up looking like outlines (Hangers, Sprinklers, etc)

3D Details (3D Fittings) missing, only the skipoles are showing

 Line / Main tags are blocking items behind the text / tags are not transparent

Calc stops at Step 2.3 (Can also show Run-time error 62)

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.

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

Upon starting the Show 3D command (S3D) the drawing immediately switches to SE isometric, reports no errors but no 3D piping is visible.  Even newly drawn pipe won't elevate.

Drawing successfully elevated to 3D. No errors were found

Related HydraCARD: #853

https://hydracards.hydratecinc.com/cards/card-853

Greyed out options in the Addin Assistant and ribbons do not appear in Revit

Primary calc results are shown, and when selecting OK to continue back to the calc input screen, the two messages below are displayed, twice;

"The designated source node was not found in the list of pipes" OK

"Calculation failed for an unknown reason" OK

Process Error Hydcalc

When selecting a vertical pipe/riser nipple hydrapipe, the PROPERTIES window shows "no selection" instead of "hydrapipe"

You may notice that you cannot use the 'change length' command (CL) or cannot rotate riser nipple (RRT)

Hydrapipe - vertical pipe issue Switching to Edit Mode leaves HydraPipes in Hydrapipe layer. Then when trying to show system model you get an AutoCAD message box "Please Switch to Edit Mode. Then try again." Switch to Edit....

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

No error... but the view shows up in the project browser but quickly disappears after and cannot be accessed. 

When defining a flexible sprinkler connection, the following error is raised ("Input string was not in a correct format"):

No error reported for FSC even when maximum length is clearly exceeded

If you view the FSC properties, it's possible the HoseLength and MaxNumberOfBends values are not set.

When running a calculation, the value for "pressure required" shows a negative value.

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