mongodb/mongoid · error · ArgumentError

Method '#{method}' is not allowed in from_hash

Error message

Method '#{method}' is not allowed in from_hash

What it means

Error "Method '#{method}' is not allowed in from_hash" thrown in mongodb/mongoid.

Source

Thrown at lib/mongoid/criteria.rb:86

      # can include a "klass" key that specifies the model class for the criteria.
      #
      # @example Convert the hash to a criteria.
      #   Criteria.from_hash({ klass: Band, where: { name: "Depeche Mode" })
      #
      # @deprecated This method is deprecated and will
      #  be removed in a future release.
      #
      # @param [ Hash ] hash The hash to convert.
      #
      # @return [ Criteria ] The criteria.
      #
      # @raise [ ArgumentError ] If a method is not allowed in from_hash.
      def from_hash(hash)
        criteria = Criteria.new(hash.delete(:klass) || hash.delete('klass'))
        hash.each_pair do |method, args|
          method_sym = method.to_sym
          unless ALLOWED_FROM_HASH_METHODS.include?(method_sym)
            raise ArgumentError, "Method '#{method}' is not allowed in from_hash"
          end

          criteria = criteria.public_send(method_sym, args)
        end
        criteria
      end
      Mongoid.deprecate(self, :from_hash)
    end

    # Static array used to check with method missing - we only need to ever
    # instantiate once.
    CHECK = []

    attr_accessor :embedded, :klass, :parent_document, :association

    # Returns true if the supplied +Enumerable+ or +Criteria+ is equal to the results
    # of this +Criteria+ or the criteria itself.
    #

View on GitHub (pinned to 0da0e23d71)

When it happens

Trigger: Thrown at lib/mongoid/criteria.rb:86 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of mongodb/mongoid@0da0e23d71 (2026-08-23). Data as JSON: /api/errors/b0a48cf4bd3eb269. Report an issue: GitHub.