Incremental Training [Experimental]

Hey Rasa @community
We’re excited to announce the release of incremental training, a new experimental feature shipped in Rasa Open Source 2.2.0. This has been a frequently-requested feature by our community, and we’re excited for you to try it out!
Incremental training allows you to fine-tune an …

Intent 'nlu_fallback' has only 1 training example! Minimum is 2, training may fail

Read more here

No, you are not supposed to do that. We shouldn’t be creating training examples for nlu_fallback since it’s a default behavior.