If you encountered this error means there is something wrong with the form design. It could be the formula script, automation block or even uncompleted form design.
Example:
What you can do?
-
Check the form design whether it is designed properly or not.
-
Check the formula script. (if any) It might be the wrong syntax or spelling wrong.
-
Check the automation block (if any) It might be the wrong syntax or spelling wrong.