class Mongoid::Errors::MixedRelations

This error is raised when trying to reference an embedded document from a document in another collection that is not its parent.

@example An illegal reference to an embedded document.

class Post
  include Mongoid::Document
  references_many :addresses
end

class Address
  include Mongoid::Document
  embedded_in :person
  referenced_in :post
end

@since 2.0.0