I am new to RASA .After trained the model by typing Rasa train command it trained the model successfully but after running the rasa shell --debug command,it displays like this, “DEBUG rasa.nlu.classifiers.diet_classifier - Failed to load model for ‘ResponseSelector’. Maybe you did not provide enough training data and no model was trained or the path ‘C:\Users\DELL\AppData\Local\Temp\tmpwf7ryy29\nlu’ doesn’t exist?”
consider this matter plzzzz
this is my domain.yml file
version: “2.0”
intents:
`- greet`
- goodbye
- affirm
- deny
- mood_great
- bot_challenge
- mood_unhappy
- tell_name
- name_me:
use_entities:
- name
- location:
use_entities:
- location
entities :
- name
- location
slots:
name:
type: text
location:
type: text
responses:
utter_greet:
- text: "Hey! How are you?"
utter_cheer_up:
- text: "Here is something to cheer you up:"
image: "https://i.imgur.com/nGF1K8f.jpg"
utter_did_that_help:
- text: "Did that help you?"
utter_happy:
- text: "Great, carry on!"
utter_goodbye:
- text: "Bye"
utter_ask_name:
- text:"What is your name?""
utter_ask_location:
- text: "What is your location?"
utter_name:
- text: My name is MentA.
utter_details_thanks:
- text: "Thanks for providing the given details \nName: {Name},\nLocation: {Location}"
utter_iamabot:
- text: "I am a bot, powered by Rasa."
actions:
- action_submit
forms:
- quetionier_form:
required_slots:
name:
- type: from_entity
entity: name
location:
- type: from_entity
entity: location
session_config:
session_expiration_time: 60
carry_over_slots_to_new_session: trueproblem solved 
… its an syntax error in domain .yml .i put “-” before form name,when defining forms in domain.yml.thats why it creates above issue.