2023-10-04 19:05:09 INFO rasa.cli.train - Started validating domain and training data… YamlValidationException: Failed to validate ‘C:\chatboot\domain.yml’. Please make sure the file is correct and all mandatory parameters are specified. Here are the errors found during validation: in C:\chatboot\domain.yml:5: Cannot find required key ‘mappings’. Path: ‘/slots/name’ in C:\chatboot\domain.yml:7: Cannot find required key ‘mappings’. Path: ‘/slots/email’ CAN ANYONE HELP WITH THIS ERROR MY DOMAIN.YML CODE : version: “3.1”

slots: name: type: text email: type: text


  • greet
  • goodbye
  • affirm
  • deny
  • mood_great
  • mood_unhappy
  • bot_challenge
  • email_id
  • user_name

responses: utter_askname: - text: “Please enter your name”

utter_askemail: - text: “Please enter your email id to receive updates”

utter_greet: - text: “Hey! How are you?”

utter_cheer_up: - text: “Here is something to cheer you up:” image: “

utter_did_that_help: - text: “Did that help you?”

utter_happy: - text: “Great, carry on!”

utter_goodbye: - text: “Bye”

utter_iamabot: - text: “I am a bot, powered by Rasa.”

session_config: session_expiration_time: 60 carry_over_slots_to_new_session: true


  • action_email

Hi @satheesh_1 Please refer to this: Domain

It seems slots are not correctly defined in your case.

while entering email id it is giving an error :

2023-10-06 22:14:28 ERROR rasa.core.processor - Encountered an exception while running action ‘action_email’.Bot will continue, but the actions events are lost. Please check the logs of your action server for more information. Traceback (most recent call last): File “c:\users\satheesh bhukya\appdata\local\programs\python\python38\lib\site-packages\rasa\core\actions\”, line 780, in run response: Any = await self.action_endpoint.request( File “c:\users\satheesh bhukya\appdata\local\programs\python\python38\lib\site-packages\rasa\utils\”, line 175, in request raise ClientResponseError( rasa.utils.endpoints.ClientResponseError: 404, Not Found, body=‘b’{“error”:“No registered action found for name ‘action_email’.”,“action_name”:“action_email”}‘’

The above exception was the direct cause of the following exception:

Traceback (most recent call last): File “c:\users\satheesh bhukya\appdata\local\programs\python\python38\lib\site-packages\rasa\core\”, line 960, in _run_action events = await File “c:\users\satheesh bhukya\appdata\local\programs\python\python38\lib\site-packages\rasa\core\actions\”, line 810, in run raise RasaException( rasa.shared.exceptions.RasaException: Failed to execute custom action ‘action_email’ can you resolve

can you reslove plz

Did you create a custom action for handling emails?

Also did you add custom action class name in domain file?