chroma-core/chroma · error · ValueError

Could not deserialize configuration_json: {e}

Error message

Could not deserialize configuration_json: {e}

What it means

Error "Could not deserialize configuration_json: {e}" thrown in chroma-core/chroma.

Source

Thrown at chromadb/types.py:154

            raise KeyError(
                f"No such key: {key}, valid keys are: {self.get_model_fields()}"
            )

    def __eq__(self, __value: object) -> bool:
        # Check that all the model fields are equal
        if not isinstance(__value, Collection):
            return False
        for field in self.get_model_fields():
            if getattr(self, field) != getattr(__value, field):
                return False
        return True

    def get_configuration(self) -> CollectionConfiguration:
        """Returns the configuration of the collection"""
        try:
            return load_collection_configuration_from_json(self.configuration_json)
        except Exception as e:
            raise ValueError(
                f"Could not deserialize configuration_json: {e}",
            )

    def get_serialized_schema(self) -> Optional[Dict[str, Any]]:
        """Returns the serialized_schema of the collection"""
        return self.serialized_schema

    def set_configuration(self, configuration: CollectionConfiguration) -> None:
        """Sets the configuration of the collection"""
        self.configuration_json = collection_configuration_to_json(configuration)

    def set_serialized_schema(self, serialized_schema: Dict[str, Any]) -> None:
        """Sets the serialized_schema of the collection"""
        self.serialized_schema = serialized_schema

    def get_model_fields(self) -> Dict[Any, Any]:
        """Used for backward compatibility with Pydantic 1.x"""
        try:

View on GitHub (pinned to aecdd12c8a)

When it happens

Trigger: Thrown at chromadb/types.py:154 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of chroma-core/chroma@aecdd12c8a (2026-08-16). Data as JSON: /api/errors/9aa5e38979b91b9b. Report an issue: GitHub.