No error, but when trying to connect a sprinkler to a pipe, connect head does not let you select a sprinkler

stacked rn connects to first pipe and misses second pipe leaving a pipe going up to nowhere. this is caused by a floor boundary with a negative elevation adn computer generated VP

When connecting a hard pipe armover to a flexible sprinkler connection (FSC), the flex hose doesn't continue straight, instead it immediately turns 90° before curving back and down to the sprinkler head.

Even with setting the connection to OVER-DOWN

When using connect heads to pipes AND the family Fire Protection Lines Threaded AND connecting three (3) or more sprinklers, one (1) pipe segment disappears during the command.

There is a 3 pipe connection at node point but all 3 change marks are the same. Use Velocity Pressure Input error

Runtime Error 6 when Attaching Fittings

Fitting is a RED. COUPLING @ node DAB0C connected to pipes D9FE8 :D9FE2.

Trying to run a auto calc from a drawing.  How do I find the referenced pipes?

Error occurs when "Add Calculation Fittings" is used when running AutoCALC the first time after a new install. A registry entry for one of the Pipe Schedule properties is not set in the registry. (The Pipe Schedule is connected to fittings definitions.) error 75

Water supply test point not connected to a pipe. Reinsert water supply\test point

When editing and saving data for pipes, fittings, or flexible connections, you get a Run-time error 76, Path not found error

After using the Spacing and Layout tool, the pipes and sprinklers are modeled but are not connected properly to each other. 

No connectable heads found within distance specified for the line

illustrated, or heads were already connected ...

No connectable heads message comes up, even when there are obviously heads that can be connected. Can also be error stating Please re-select line away from other lines

Revit could not complete the external command... Curve length is too small for Revit's tolerance

No Error given but Pipes look like theyy are missing after program completion.

Bad prettypipes.dat file

Bug with the new Flexible Hose Connections. Drawing with FHCs will get this error, drawings without will not get the error Unhandled Except. Dialog Box v50

no error or error 13 ediiting aquivalent lengths or all the pipe disappears or file will not open after it was open intially or error or lockup during the process or error or lockup during error check Flexible Connection Flex flexhead

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 opening Hydracad you get the following error:

Unhandled exception has occurred in a component in your

application. If you click Continue, the application will ignore this error

and attempt to continue.

Retrieving the COM class factory for component with CLSID

{44D62FAE-67A7-4131-BF38-489CDFE44738} failed due to the

following error: 80070005 Access is denied. (Exception from

HRESULT: 0x80070005 (E_ACCESSDENIED)).

When opening Hydracad you get the following error:

Unhandled exception has occurred in a component in your

application. If you click Continue, the application will ignore

this error and attempt to continue.

Retrieving the COM class factory for component with

CLSID {44D62FAE-67A7-4131-BF38-489CDFE44738}

failed due to the following error: 80070424 The specified

service does not exist as an installed service. (Exception

from HRESULT: 0x80070424).

Raising to 3D and you get this error;

Exception Occured at AddURLToHyperlinks :: HydraHeads

System.Runtime.InteropServices.COMException (0x80040154): Retrieving the

COM class factory for component with CLSID

{44D62FAE-67A7-4131-BF38-489CDFE44738} failed due to the following error:

80040154 Class not registered (Exception from HRESULT: 0x80040154

(REGDB_E_CLASSNOTREG)).

When plotting to Bluebeam document, some HydraCAD drawing entities show up blacked out.

AutoCAD view;

PDF generated by Bluebeam;