While training the bot with rasa train nlu I am getting the following error: Unable to train CountVectorizer for message attribute response. Leaving an untrained CountVectorizer for it
2019-09-14 22:24:27 INFO rasa.nlu.model - Starting to train component WhitespaceTokenizer 2019-09-14 22:24:27 INFO rasa.nlu.model - Finished training component. 2019-09-14 22:24:27 INFO rasa.nlu.model - Starting to train component RegexFeaturizer 2019-09-14 22:24:27 INFO rasa.nlu.model - Finished training component. 2019-09-14 22:24:27 INFO rasa.nlu.model - Starting to train component CRFEntityExtractor 2019-09-14 22:24:27 INFO rasa.nlu.model - Finished training component. 2019-09-14 22:24:27 INFO rasa.nlu.model - Starting to train component EntitySynonymMapper 2019-09-14 22:24:27 INFO rasa.nlu.model - Finished training component. 2019-09-14 22:24:27 INFO rasa.nlu.model - Starting to train component CountVectorsFeaturizer 2019-09-14 22:24:27 WARNING rasa.nlu.featurizers.count_vectors_featurizer - Unable to train CountVectorizer for message attribute response. Leaving an untrained CountVectorizer for it 2019-09-14 22:24:27 INFO rasa.nlu.model - Finished training component. 2019-09-14 22:24:27 INFO rasa.nlu.model - Starting to train component CountVectorsFeaturizer 2019-09-14 22:24:27 WARNING rasa.nlu.featurizers.count_vectors_featurizer - Unable to train CountVectorizer for message attribute response. Leaving an untrained CountVectorizer for it 2019-09-14 22:24:27 INFO rasa.nlu.model - Finished training component. 2019-09-14 22:24:27 INFO rasa.nlu.model - Starting to train component EmbeddingIntentClassifier Epochs: 100%|█████████████████████████████████████████████████| 300/300 [00:06<00:00, 46.89it/s, loss=0.479, acc=1.000] 2019-09-14 22:24:36 INFO rasa.utils.train_utils - Finished training embedding policy, train loss=0.479, train accuracy=1.000