Issues when there I send a message on Slack

[dimwael]

When I sent a message on Slack I got this error :

 rasa.core.policies.ensemble  - MappingPolicy not included in policy ensemble. Default intents 'restart and back will not trigger actions 'action_restart' and 'action_back'.
/home/wael/anaconda3/envs/RASA/lib/python3.6/site-packages/rasa/nlu/extractors/crf_entity_extractor.py:590: UserWarning: Number of features (1) for attribute 'text_dense_features' does not match number of tokens (2). Set 'return_sequence' to true in the corresponding featurizer in order to make use of the features in 'CRFEntityExtractor'.
  f"Number of features ({len(features)}) for attribute "