I have been trying new interactive learning for core version 0.12.3.Every thing goes well untill i press ‘y’ for a correct prediction posting error screenshot below。How to solve this problem，thanks

[chen]

python -m rasa_core.train interactive --core models/dialogue --nlu models/nlu/default/current --endpoints endpoints.yml --skip_visualization

Use this command，Who can help me?thanks

[mohan (Mohan Kumar G)]

@chen write at least one story in stories.md file… hope it will work

[chen]

@mohan ohanI have three stories.,…But still not working。Can you help me see why?@

[erohmensing (Ella Rohm-Ensing)]

@chen are you still running into this issue? Any idea if it persists on newer versions of core?