A Date::Error occurred in registrations#create:

 invalid date
 app/formers/modern/registration_former.rb:62:in `initialize'


-------------------------------
Request:
-------------------------------

 * URL        : https://www.bikelink.org/registrations
 * HTTP Method: POST
 * IP address : 98.210.72.177
 * Parameters : {"authenticity_token"=>"6JysDWVgCl3nds3g/d6TS9fnPs7F896jJns6GjxndDshy/oL+e1TwP3y/PzaQDv8fQc7b1Va9sA3MHNEI8aw7Q==", "modern_registration_former"=>{"card_type"=>"transit", "first_name"=>"JOhn", "last_name"=>"DOe", "email"=>"dojohn@gmail.com", "phone"=>"6503098823", "verify_phone_by"=>"sms", "picture_id"=>"1010", "month_of_birth"=>"2", "day_of_birth"=>"31", "year_of_birth"=>"1982", "password"=>"[FILTERED]", "password_confirmation"=>"[FILTERED]"}, "commit"=>"Next", "controller"=>"modern/registrations", "action"=>"create"}
 * Timestamp  : 2022-03-04 05:44:31 UTC
 * Server : www-5.internal.bikelink.org
   * Rails root : /var/www/bikelink
 * Process: 3938

-------------------------------
Session:
-------------------------------

 * session id: [FILTERED]
 * data: {"session_id"=>"0c6b6adb09d857d1c4aa3c48dcf62a11",
  "_csrf_token"=>"Is/EDEHXQh/nYA4wdrd6s8TggQBpZF5RCn/PY8/VoBI="}

-------------------------------
Backtrace:
-------------------------------

 app/formers/modern/registration_former.rb:62:in `initialize'
 app/formers/modern/registration_former.rb:62:in `new'
 app/formers/modern/registration_former.rb:62:in `person_attributes'
 app/formers/modern/registration_former.rb:48:in `save'
 app/controllers/modern/registrations_controller.rb:16:in `create'
 app/controllers/application_controller.rb:47:in `process_action'