Fulldialoguetrackerfeaturizer is not json serializable

when i use regex in training data, it raise the error “fulldialoguetrackerfeaturizer is not json serializable”

Can you show an example of your training data? Have you tried the RegexFeaturizer

{“rasa_nlu_data”: {“regex_features”:[{‘name’: ‘number_arab’,‘pattern’: ‘[0-9]{1,}’}], “entity_synonyms”:[], “common_examples”:[]}


  • name: “JiebaTokenizer”
  • name: “RegexFeaturizer”
  • name: “CRFEntityExtractor”
  • name: “CountVectorsFeaturizer” OOV_token: oov token_pattern: “(?u)\b\w+\b”
  • name: “EmbeddingIntentClassifier” epochs: 10


  • name: “EmbeddingPolicy” epochs: 10 featurizer:

    • name: MaxHistoryTrackerFeaturizer max_history: 3 state_featurizer:
      • name: LabelTokenizerSingleStateFeaturizer
  • name: FallbackPolicy fallback_action_name: ‘action_default_fallback’ nlu_threshold: 0.5 core_threshold: 0.3

  • name: MemoizationPolicy max_history: 3