Hi Good Day!
I facing same problem since an hour. Every time I put the gray blocks with variables PassengerNo next to [from BtnPassengerNo set Text to app PassengerNo].
I got error “There was a problem saving your changes”. How can I fix it? I just want to preview the PassengerNo to each Buttons and Labels the entered Variable called Passenger No. as simple as that. Thank your for your help.
btw my link is here : Thunkable