Fixed admin contact validation and repp error

app/models/admin_domain_contact.rb

@@ -33,8 +33,6 @@ class AdminDomainContact < DomainContact
   def validate_contact_age
     return unless contact&.underage?
 
-    errors.add(:contact, I18n.t(
-      'activerecord.errors.models.admin_domain_contact.contact_too_young'
-    ))
+    errors.add(:base, :contact_too_young)
   end
 end

app/models/concerns/age_validation.rb

@@ -17,6 +17,8 @@ module AgeValidation
   def underage_by_birthday?
     birth_date = Date.parse(ident)
     calculate_age(birth_date) < 18
+  rescue ArgumentError
+    true
   end
 
   def underage_by_estonian_id?
@@ -24,6 +26,8 @@ module AgeValidation
 
     birth_date = parse_estonian_id_birth_date(ident)
     calculate_age(birth_date) < 18
+  rescue ArgumentError
+    true
   end
 
   def estonian_id?

app/models/domain_contact.rb

@@ -3,11 +3,10 @@ class DomainContact < ApplicationRecord
   # STI: admin_domain_contact
   include Versions # version/domain_contact_version.rb
   include EppErrors
+
   belongs_to :contact
   belongs_to :domain
 
-  validates :contact, presence: true
-
   after_destroy :update_contact
   attr_accessor :value_typeahead
   attr_writer :contact_code

test/models/domain_contact_test.rb

@@ -27,8 +27,7 @@ class DomainContactTest < ActiveSupport::TestCase
     )
 
     assert_not domain_contact.valid?
-    assert_includes domain_contact.errors.full_messages, 
-                    'Contact Administrative contact must be at least 18 years old'
+    assert_includes domain_contact.errors.full_messages, 'Administrative contact must be at least 18 years old'
   end
 
   def test_validates_admin_contact_age_with_estonian_id
@@ -45,8 +44,7 @@ class DomainContactTest < ActiveSupport::TestCase
     )
 
     assert_not domain_contact.valid?
-    assert_includes domain_contact.errors.full_messages, 
-                    'Contact Administrative contact must be at least 18 years old'
+    assert_includes domain_contact.errors.full_messages, 'Administrative contact must be at least 18 years old'
   end
 
   def test_allows_adult_admin_contact_with_birthday
@@ -79,5 +77,4 @@ class DomainContactTest < ActiveSupport::TestCase
 
     assert domain_contact.valid?
   end
-
 end