new

# File activerecord/lib/active_record/migration.rb, line 132
    def initialize(version = nil, name = nil)
      if version && name
        super(<<~MSG)
          Invalid timestamp #{version} for migration file: #{name}.
          Timestamp must be in form YYYYMMDDHHMMSS, and less than #{(Time.now.utc + 1.day).strftime("%Y%m%d%H%M%S")}.
        MSG
      else
        super(<<~MSG)
          Invalid timestamp for migration.
          Timestamp must be in form YYYYMMDDHHMMSS, and less than #{(Time.now.utc + 1.day).strftime("%Y%m%d%H%M%S")}.
        MSG
      end
    end
  end