Custom actions not working rasa3.1

I am using rasa3.1 and getting below error for hello world action.I copied code from below link rasa-3.x-form-examples/01-actions at main · RasaHQ/rasa-3.x-form-examples · GitHub. Please help.

rasa_server | 2022-06-08 12:46:06 DEBUG rasa.engine.graph - Node ‘run_UnexpecTEDIntentPolicy2’ running ‘UnexpecTEDIntentPolicy.predict_action_probabilities’. rasa_server | 2022-06-08 12:46:06 DEBUG rasa.core.policies.unexpected_intent_policy - Skipping predictions for UnexpecTEDIntentPolicy as either there is no event of type UserUtt ered, event’s intent is new and not in domain or there is an event of type ActionExecuted after the last UserUttered. rasa_server | 2022-06-08 12:46:06 DEBUG rasa.engine.graph - Node ‘select_prediction’ running ‘DefaultPolicyPredictionEnsemble.combine_predictions_from_kwargs’. rasa_server | 2022-06-08 12:46:06 DEBUG rasa.core.policies.ensemble - Predicted next action using TEDPolicy. rasa_server | 2022-06-08 12:46:06 DEBUG rasa.core.processor - Predicted next action ‘action_listen’ with confidence 1.00. rasa_server | 2022-06-08 12:46:06 DEBUG rasa.core.processor - Policy prediction ended with events ‘[]’. rasa_server | 2022-06-08 12:46:06 DEBUG rasa.core.processor - Action ‘action_listen’ ended with events ‘[]’. rasa_server | 2022-06-08 12:46:06 DEBUG rasa.core.lock_store - Deleted lock for conversation ‘c5f9786832104feaba56b745771d074c’.

Please use markdown to format your log so it’s readable.

either there is no event of type UserUtt ered , event’s intent is new and not in domain or there is an event of type ActionExecuted after the last UserUttered .

Run rasa data validate based on this error.

Predicted next action ‘action_listen’ with confidence 1.00.

This explains why your action isn’t being run.