Class: ActiveRecord::AssociationTypeMismatch

Class | ActiveRecord::AssociationTypeMismatch
In: | lib/active_record/base.rb
Parent: | ActiveRecordError

Raised when object assigned to association is of incorrect type.

Example:

class Ticket < ActiveRecord::Base

      has_many :patches

end

class Patch < ActiveRecord::Base

      belongs_to :ticket

end

and somewhere in the code:

@ticket.patches << Comment.new(:content => "Please attach tests to your patch.") @ticket.save

[Validate]