def _fetch_error_descriptions(self, error_dict):
        """
        :type error_dict: dict[str, list[dict[str, str]]

        :rtype: list[str]
        """

        error_descriptions = []

        for error in error_dict[self._FIELD_ERROR]:
            description = error[self._FIELD_ERROR_DESCRIPTION]
            error_descriptions.append(description)

        return error_descriptions
:type error_dict: dict[str, list[dict[str, str]]

        :rtype: list[str]