When trying to insert a Sprinkler Head Schedule (SHS command), after viewing the setup dialog box, then selecting sprinkler heads, when asked to select a location for the guide, you get the error;

Please pick start point for schedule

Error: bad argument value: non-negative: -1

Error placing Reference Points or Demand Area annotation.: System NullReferenceException: Object reference not set to an instance of an object. nodes reference finish

Calc process gets stuck on step 5a.3

Calc stops at step 2.2a, also creates Run-time error 5

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

Valve selector unable to open in Revit Beta Ver 25.1.003

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

Fatal Error

Revit could not complete the external command... Name contains illegal characters

While trying to calculate a job, an error message pops up saying the following

"Error in Calc Engine"

Error in processing data of calculation;

-If this is a grid, uncheck 'Autopeak' and try again or,

-Confirm the node you set as the calculation source node exists in your input or,

- Check for incorrect values in your densities, areas or pressures