Error return of buttons in rasa webchat

@RodrigoLima have you seen this? Responses | SLOT FILLING WITH BUTTONS IN RASA CHATBOT | INNOVATE YOURSELF - YouTube (2.x but concept is same) | Slots Set By Clicking Buttons - #2 by ActuallyAcey | Slot Setting and Filling from Button · Issue #2525 · RasaHQ/rasa · GitHub

Go one step at a time ok and I know you can do.