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
# File lib/mongoid/errors/mixed_relations.rb, line 21 def initialize(root_klass, embedded_klass) super( compose_message( "mixed_relations", { root: root_klass, embedded: embedded_klass } ) ) end