@jgaya your ‘NoneType’ object is not subscriptable is not the same issue as the charmap codec can't encode characters issue.
If actions=story_events[0] is empty, do you have an initial project set up in the directory where you are running rasa x with the same directory set up as rasa init?
@technophile_2507 this has to do with how your console encodes I/O from python. Can you try the fixes here? UnicodeDecodeError