Hi, having this models:
class Formation < ActiveRecord::Base has_many :positions, :dependent => :destroy end
class TeamFormation < Formation has_many :players, :through => :positions end
class Position < ActiveRecord::Base belongs_to :formation belongs_to :player end
I'm trying to modify position's player attribute from a formation:
team.players.each do |player| self.positions.each do |position| if !self.players.include?(player) and !position.player position.player = player <------------ HERE I'M TRYING TO MODIFY PLAYER break end end end
The first time I create a formation an asign those values all works fine, but once it's created I can't modify position's player attr because "can't modify frozen hash" error is raised.
How could I modify those values?, what am I doing wrong?