diff --git a/app/models/exported_plan.rb b/app/models/exported_plan.rb
index 0ce6426..0e44f19 100644
--- a/app/models/exported_plan.rb
+++ b/app/models/exported_plan.rb
@@ -17,7 +17,7 @@
       _('%{value} is not a valid format') % { :value => data[:value] } 
     end 
   }
-  validates :plan, :format, presence: true
+  validates :plan, :format, presence: {message: _("can't be blank")}
 
   # Store settings with the exported plan so it can be recreated later
   # if necessary (otherwise the settings associated with the plan at a
diff --git a/app/models/guidance.rb b/app/models/guidance.rb
index f22cf3b..dfec5dc 100644
--- a/app/models/guidance.rb
+++ b/app/models/guidance.rb
@@ -25,7 +25,7 @@
 
 
 
-  validates :text, presence: true
+  validates :text, presence: {message: _("can't be blank")}
 
 
   ##
diff --git a/app/models/guidance_group.rb b/app/models/guidance_group.rb
index 9686c27..96e6dab 100644
--- a/app/models/guidance_group.rb
+++ b/app/models/guidance_group.rb
@@ -13,7 +13,7 @@
   attr_accessible :org_id, :name, :optional_subset, :published, :org, :guidances,
                   :as => [:default, :admin]
 
-  validates :name, :org, presence: true
+  validates :name, :org, presence: {message: _("can't be blank")}
 
 
   # EVALUATE CLASS AND INSTANCE METHODS BELOW
diff --git a/app/models/identifier_scheme.rb b/app/models/identifier_scheme.rb
index 45b8922..d07aafc 100644
--- a/app/models/identifier_scheme.rb
+++ b/app/models/identifier_scheme.rb
@@ -2,5 +2,5 @@
   has_many :user_identifiers
   has_many :users, through: :user_identifiers
   
-  validates :name, uniqueness: true, presence: true
+  validates :name, uniqueness: {message: _("must be unique")}, presence: {message: _("can't be blank")}
 end
\ No newline at end of file
diff --git a/app/models/language.rb b/app/models/language.rb
index 3e5e3bd..2d02783 100644
--- a/app/models/language.rb
+++ b/app/models/language.rb
@@ -6,7 +6,8 @@
   
   ##
   # Validations
-  validates :abbreviation, presence: true, uniqueness: true
+  # Cannot do FastGettext translations here because we constantize LANGUAGES in initializers/constants.rb
+  validates :abbreviation, presence: {message: "can't be blank"}, uniqueness: {message: "must be unique"}
 
   scope :sorted_by_abbreviation, -> { all.order(:abbreviation) }
   scope :default, -> { where(default_language: true).first }
diff --git a/app/models/note.rb b/app/models/note.rb
index 74b3078..4341c2a 100644
--- a/app/models/note.rb
+++ b/app/models/note.rb
@@ -10,5 +10,5 @@
   attr_accessible :text, :user_id, :answer_id, :archived, :archived_by, 
                   :answer, :user, :as => [:default, :admin]
                   
-  validates :text, :answer, :user, presence: true
+  validates :text, :answer, :user, presence: {message: _("can't be blank")}
 end
diff --git a/app/models/org.rb b/app/models/org.rb
index 61e6691..3c23dcc 100644
--- a/app/models/org.rb
+++ b/app/models/org.rb
@@ -26,14 +26,14 @@
   ##
   # Validators
   validates :contact_email, email: true, allow_nil: true
-  validates :name, presence: true, uniqueness: true
+  validates :name, presence: {message: _("can't be blank")}, uniqueness: {message: _("must be unique")}
   # allow validations for logo upload
   dragonfly_accessor :logo do
     after_assign :resize_image
   end
-  validates_property :height, of: :logo, in: (0..100)
-  validates_property :format, of: :logo, in: ['jpeg', 'png', 'gif','jpg','bmp']
-  validates_size_of :logo, maximum: 500.kilobytes
+  validates_property :height, of: :logo, in: (0..100), message: _("height must be less than 100px")
+  validates_property :format, of: :logo, in: ['jpeg', 'png', 'gif','jpg','bmp'], message: _("must be one of the following formats: jpeg, jpg, png, gif, bmp")
+  validates_size_of :logo, maximum: 500.kilobytes, message: _("can't be larger than 500KB")
 
   ##
   # Define Bit Field values
diff --git a/app/models/perm.rb b/app/models/perm.rb
index 2bc5aad..58aad3e 100644
--- a/app/models/perm.rb
+++ b/app/models/perm.rb
@@ -8,7 +8,7 @@
   #   -relies on protected_attributes gem as syntax depricated in rails 4.2
   #attr_accessible :name, :as => [:default, :admin]
 
-  validates :name, presence: true, uniqueness: true
+  validates :name, presence: {message: _("can't be blank")}, uniqueness: {message: _("must be unique")}
 
   ##
   # Constant perms
diff --git a/app/models/phase.rb b/app/models/phase.rb
index 88429fd..d3e813a 100644
--- a/app/models/phase.rb
+++ b/app/models/phase.rb
@@ -23,7 +23,7 @@
 	#friendly_id :title, use: [:slugged, :history, :finders]
 
 
-  validates :title, :number, :template, presence: true
+  validates :title, :number, :template, presence: {message: _("can't be blank")}
 
 
 
diff --git a/app/models/question.rb b/app/models/question.rb
index 4c0efdc..eac588d 100644
--- a/app/models/question.rb
+++ b/app/models/question.rb
@@ -27,7 +27,7 @@
                   :question_options, :suggested_answers, :answers, :themes, 
                   :modifiable, :option_comment_display, :as => [:default, :admin]
 
-  validates :text, :section, :number, presence: true
+  validates :text, :section, :number, presence: {message: _("can't be blank")}
 
 
   # EVALUATE CLASS AND INSTANCE METHODS BELOW
diff --git a/app/models/question_format.rb b/app/models/question_format.rb
index 3a08be8..061961a 100644
--- a/app/models/question_format.rb
+++ b/app/models/question_format.rb
@@ -7,7 +7,7 @@
   enum formattype: [ :textarea, :textfield, :radiobuttons, :checkbox, :dropdown, :multiselectbox, :date ]
   attr_accessible :formattype
   
-  validates :title, presence: true, uniqueness: true
+  validates :title, presence: {message: _("can't be blank")}, uniqueness: {message: _("must be unique")}
   
   ##
   # Possibly needed for active_admin
diff --git a/app/models/question_option.rb b/app/models/question_option.rb
index 11552b0..84266ab 100644
--- a/app/models/question_option.rb
+++ b/app/models/question_option.rb
@@ -10,7 +10,7 @@
   attr_accessible :text, :question_id, :is_default, :number, :question, 
                   :as => [:default, :admin]
 
-  validates :text, :question, :number, presence: true
+  validates :text, :question, :number, presence: {message: _("can't be blank")}
 
   ##
   # deep copy the given question_option and all it's associations
diff --git a/app/models/region.rb b/app/models/region.rb
index 2c57e79..a7e366a 100644
--- a/app/models/region.rb
+++ b/app/models/region.rb
@@ -3,6 +3,6 @@
   
   belongs_to :super_region, class_name: 'Region'
   
-  validates :name, presence: true, uniqueness: true
-  validates :abbreviation, uniqueness: true, allow_nil: true
+  validates :name, presence: {message: _("can't be blank")}, uniqueness: {message: _("must be unique")}
+  validates :abbreviation, uniqueness: {message: _("must be unique")}, allow_nil: true
 end
\ No newline at end of file
diff --git a/app/models/role.rb b/app/models/role.rb
index 75ad26c..a51177d 100644
--- a/app/models/role.rb
+++ b/app/models/role.rb
@@ -16,8 +16,8 @@
             4 => :commenter,          # 8
             column: 'access'
 
-  validates :user, :plan, :access, presence: true
-  validates :access, numericality: {greater_than: 0}
+  validates :user, :plan, :access, presence: {message: _("can't be blank")}
+  validates :access, numericality: {greater_than: 0, message: _("can't be less than zero")}
 
   ##
   # return the access level for the current project group
diff --git a/app/models/section.rb b/app/models/section.rb
index b88ee79..2a38972 100644
--- a/app/models/section.rb
+++ b/app/models/section.rb
@@ -14,7 +14,7 @@
                   :questions_attributes, :organisation, :phase, :modifiable,
                   :as => [:default, :admin]
 
-  validates :phase, :title, :number, presence: true
+  validates :phase, :title, :number, presence: {message: _("can't be blank")}
 
   ##
   # return the title of the section
diff --git a/app/models/suggested_answer.rb b/app/models/suggested_answer.rb
index 91ce3aa..881f302 100644
--- a/app/models/suggested_answer.rb
+++ b/app/models/suggested_answer.rb
@@ -12,7 +12,7 @@
                   :org, :question, :as => [:default, :admin]
 
 
-  validates :question, :org,  presence: true
+  validates :question, :org,  presence: {message: _("can't be blank")}
 
   # EVALUATE CLASS AND INSTANCE METHODS BELOW
   #
diff --git a/app/models/template.rb b/app/models/template.rb
index 16b7ac4..de44b10 100644
--- a/app/models/template.rb
+++ b/app/models/template.rb
@@ -24,7 +24,7 @@
     s.key :export, defaults: Settings::Template::DEFAULT_SETTINGS
   end
 
-  validates :org, :title, :version, presence: true
+  validates :org, :title, :version, presence: {message: _("can't be blank")}
 
   # EVALUATE CLASS AND INSTANCE METHODS BELOW
   #
diff --git a/app/models/theme.rb b/app/models/theme.rb
index 315dfe8..bd787f6 100644
--- a/app/models/theme.rb
+++ b/app/models/theme.rb
@@ -13,7 +13,7 @@
   attr_accessible :description, :title, :locale , :as => [:default, :admin]
 
 
-  validates :title, presence: true
+  validates :title, presence: {message: _("can't be blank")}
 
   # EVALUATE CLASS AND INSTANCE METHODS BELOW
   #
diff --git a/app/models/token_permission_type.rb b/app/models/token_permission_type.rb
index 71d4acb..5770e6c 100644
--- a/app/models/token_permission_type.rb
+++ b/app/models/token_permission_type.rb
@@ -12,7 +12,7 @@
 
   ##
   # Validators
-  validates :token_type, presence: true, uniqueness: true
+  validates :token_type, presence: {message: _("can't be blank")}, uniqueness: {message: _("must be unique")}
 
   ##
   # Constant Token Permission Types
diff --git a/app/models/user.rb b/app/models/user.rb
index dc53469..ba37779 100644
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -49,7 +49,9 @@
   #                :organisation, :language, :language_id, :org, :perms, 
   #                :confirmed_at, :org_id
 
-  validates :email, email: true, allow_nil: true, uniqueness: true
+  validates :email, email: true, allow_nil: true, uniqueness: {message: _("must be unique")}
+  validates :email, :password, presence: {message: _("can't be blank")}
+
 
   ##
   # Settings
diff --git a/app/models/user_identifier.rb b/app/models/user_identifier.rb
index 6623765..840e394 100644
--- a/app/models/user_identifier.rb
+++ b/app/models/user_identifier.rb
@@ -5,5 +5,5 @@
   # Should only be able to have one identifier per scheme!
   validates_uniqueness_of :identifier_scheme, scope: :user
   
-  validates :identifier, :user, :identifier_scheme, presence: true
+  validates :identifier, :user, :identifier_scheme, presence: {message: _("can't be blank")}
 end
\ No newline at end of file
diff --git a/config/locale/app.pot b/config/locale/app.pot
index 6f79684..6f281bc 100644
--- a/config/locale/app.pot
+++ b/config/locale/app.pot
@@ -2933,4 +2933,10 @@
 msgstr ""
 #years
 msgid "%{d} years"
-msgstr ""
\ No newline at end of file
+msgstr ""
+
+# ActiveRecord model errors that we could not override in the model's validation definition
+msgid "activerecord.errors.models.user.attributes.email.blank"
+msgstr "can't be blank"
+msgid "activerecord.errors.models.user.attributes.password.blank"
+msgstr "can't be blank"
\ No newline at end of file
diff --git a/config/locale/de/app.po b/config/locale/de/app.po
index 7176a36..a37ae09 100644
--- a/config/locale/de/app.po
+++ b/config/locale/de/app.po
@@ -2924,4 +2924,10 @@
 msgstr ""
 #years
 msgid "%{d} years"
+msgstr ""
+
+# ActiveRecord model errors that we could not override in the model's validation definition
+msgid "activerecord.errors.models.user.attributes.email.blank"
+msgstr ""
+msgid "activerecord.errors.models.user.attributes.password.blank"
 msgstr ""
\ No newline at end of file
diff --git a/config/locale/en_GB/app.po b/config/locale/en_GB/app.po
index 74ca475..d4bf139 100644
--- a/config/locale/en_GB/app.po
+++ b/config/locale/en_GB/app.po
@@ -2924,4 +2924,10 @@
 msgstr "about a year"
 #years
 msgid "%{d} years"
-msgstr "%{d} years"
\ No newline at end of file
+msgstr "%{d} years"
+
+# ActiveRecord model errors that we could not override in the model's validation definition
+msgid "activerecord.errors.models.user.attributes.email.blank"
+msgstr "can't be blank"
+msgid "activerecord.errors.models.user.attributes.password.blank"
+msgstr "can't be blank"
\ No newline at end of file
diff --git a/config/locale/en_US/app.po b/config/locale/en_US/app.po
index 181c931..a6660d2 100644
--- a/config/locale/en_US/app.po
+++ b/config/locale/en_US/app.po
@@ -2924,4 +2924,10 @@
 msgstr "about a year"
 #years
 msgid "%{d} years"
-msgstr "%{d} years"
\ No newline at end of file
+msgstr "%{d} years"
+
+# ActiveRecord model errors that we could not override in the model's validation definition
+msgid "activerecord.errors.models.user.attributes.email.blank"
+msgstr "can't be blank"
+msgid "activerecord.errors.models.user.attributes.password.blank"
+msgstr "can't be blank"
\ No newline at end of file
diff --git a/config/locale/es/app.po b/config/locale/es/app.po
index b67e612..a8b2cbe 100644
--- a/config/locale/es/app.po
+++ b/config/locale/es/app.po
@@ -2828,4 +2828,10 @@
 msgstr ""
 #years
 msgid "%{d} years"
+msgstr ""
+
+# ActiveRecord model errors that we could not override in the model's validation definition
+msgid "activerecord.errors.models.user.attributes.email.blank"
+msgstr ""
+msgid "activerecord.errors.models.user.attributes.password.blank"
 msgstr ""
\ No newline at end of file
diff --git a/config/locale/fr/app.po b/config/locale/fr/app.po
index 189cc3c..01dd7a9 100644
--- a/config/locale/fr/app.po
+++ b/config/locale/fr/app.po
@@ -2932,4 +2932,10 @@
 msgstr ""
 #years
 msgid "%{d} years"
+msgstr ""
+
+# ActiveRecord model errors that we could not override in the model's validation definition
+msgid "activerecord.errors.models.user.attributes.email.blank"
+msgstr ""
+msgid "activerecord.errors.models.user.attributes.password.blank"
 msgstr ""
\ No newline at end of file
diff --git a/test/configuration_test.rb b/test/configuration_test.rb
index 7840311..05c9622 100644
--- a/test/configuration_test.rb
+++ b/test/configuration_test.rb
@@ -1,6 +1,6 @@
 require 'test_helper'
 
-class ConfigurationHelper < ActionDispatch::IntegrationTest
+class ConfigurationTest < ActionDispatch::IntegrationTest
   
   # --------------------------------------------------------------------
   test "Make sure that all of the example YAML files have been setup properly" do
diff --git a/test/missing_translation_test.rb b/test/missing_translation_test.rb
new file mode 100644
index 0000000..53c81d9
--- /dev/null
+++ b/test/missing_translation_test.rb
@@ -0,0 +1,66 @@
+require 'test_helper'
+
+class MissingTranslationTest < ActionDispatch::IntegrationTest
+  
+  # --------------------------------------------------------------------
+  test "Make sure that all FastGettext localisations are defined in the .pot/.po files" do
+    missing = []
+
+    # Scan through the /app directory for localisations
+    getFiles(Rails.root.join("app")).each do |file|
+      contents = File.open(file, 'r').read
+      localisations = contents.scan(/_\(['"][^\)]+['"]\)/)
+      
+      localisations.each do |localisation|
+        translation = _(localisation)
+        missing << localisation if translation.include?('translation missing')
+      end
+    end
+
+    assert missing.empty?, "Found some missing translations: #{missing.join("\n")}"
+    missing = []
+
+    # Loop through all of the models and force all validation errors to be translated
+    dir = Rails.root.join("app", "models").to_s
+    getFiles(dir).each do |model|
+      unless model.start_with?('.')
+        name = model.gsub('.rb', '').gsub("#{dir}/", '').split('_').collect{|p| p.capitalize }.join('')
+        name = name.split('/').collect{|p| p }.join('::').gsub(/::[a-z]{1}/, &:upcase)
+
+        # Skip the Settings module classes since they throw errors when validating
+        unless name.include?('Settings::')
+          clazz = name.split('::').inject(Object){ |o,c| o.const_get(c) }
+          obj = clazz.new
+          
+          unless obj.valid?
+            obj.errors.each do |e,m|
+              missing << m if _(m).include?('translation missing')
+            end
+          end
+        end
+      end
+    end
+    
+    assert missing.empty?, "Found some missing translations for model errors:\n #{missing.join("\n")}"
+
+  end 
+
+
+  private 
+    # Recursively collect the file names within the directory and its subdirectories
+    # --------------------------------------------------------------------
+    def getFiles(dir)
+      files = []
+      Dir.foreach(dir) do |f|
+        unless f.start_with?('.')
+          if File.directory?("#{dir}/#{f}")
+            files << getFiles("#{dir}/#{f}")
+          else
+            files << "#{dir}/#{f}"
+          end 
+        end
+      end
+      files.flatten.uniq
+    end
+
+end