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

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

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

Cannot get latest Hydrakey update information.

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 attempting to create a Flexible Connection you get these errors;

Then this;

Could not find file FSC-INSERTDEFLINE.txt

Registry bug. When the FSC command is used for the VERY first time, if the drawing is saved to a drive other than the local drive, you *may* get this error.

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

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.

Server Replied:
No matching serial number was found in the database

Server Replied:

BAD;32503680000

Server Replied:

“An error has occurred and the activation could not be completed. Please contact customer support for further information.” 

One or more toolbars cannot be found after selecting a menu or command.

This happens because the toolbar is being opened 'off screen'. This usually happens when the computer has a dual monitor but the 2nd monitor isn't currently connected. 

When inserting a flexible sprinkler connection (FSC) after its setup, you get two error messages

Error importing hose over size percent, check your FSC dialog properties

Setting Over Percent to 10%

Error importing hose under size percent, check your FSC dialog properties

Setting Under Percent to 20%

Clicking OK in each window will allow you to continue and insert the FSC detail

When starting the process to insert a Flexible Sprinkler Connection, you get the error message above;

An error occurred reading the FSC-Selections.txt

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

When trying to open the dialogue box to define a Flexible Sprinkler connection, the following message box error appears. 

Could not find file; FSC-INSERTDEFLINE.txt

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

A sprinkler head is drawn in space and is not connect to anything. When the drawing is raised a Hydrafitting (cap) is placed on the head. if the purge command is invoked it will cause a fatal error. Fatal error Purge V51

change in autocad version change in the network change in your connection to the network error 15.570.0 Will not open any

While trying to authorize the software, the following message pops up; 

Failed to access cloud storage.  Error: Unable to load DLL HydraLIB.dll:  The specified module could not be found

Error: A Webexception with status NameResolutionFailure was thrown.

Error: A WebException with status SecureChannelFailure was thrown.

A failure to call the Hydratec security server occured. 

-OR-

Hydratec Security Error

FAILED CALL TO SERVER (to Activate): Could not parse request body into json.