When clicking the abacus to enter a length, you get this 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.

Index and length must refer to a location within the string.  Parameter name: length

Attempting to redefine a sprinkler head with the string 'flex' in the name/description will crash with a BAD SSGET error message if the sprinkler was not set up as an older style HydraCAD flex head

When trying to insert a sprinkler head, this window pops up;

Pick head insertion point. Pick any point besides endpoint to break into pipe. Can't find file in search path

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

While using the 'Choose Part Number' button to open HydraHEAD Selector and retrieive its description and part number, you get the errors below;

Runtime Error 713, Application-defined or object-defined error

Sprinkler not properly configured.  Please re-select using 'Choose part'

Various issues with the DETAILS layer.

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.

Possibly a rogue lisp routine causing ours not to work HydraCAD v50.any