Rasa Core version : 0.13.0
Python version : 3.6.6
Operating system (windows, osx, …): Windows 10
When I upgraded the Rasa Core to version 13.0 and let the interactive learning bota and I validated the input, an error occurred. This is not the case when I use the Rasa Core version 12.4. Hope everyone will help me Thanks very much.
I have screen shots when I train interactively as follows: