I have been having a hard time getting form builder to work easily. When I got to the point when I could actually submit a message, I got this error:
Sorry! There was an error handling your form submission.
Language string failed to load: recipients_failed
I saw no option for specifying a default lang in the FormBuillder prefs so is this a bug or does formbuilder rely on some other more general language setting I may or may not have set?

-p