diff --git a/app/models/user.rb b/app/models/user.rb
index 6866657..03ad841 100644
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -104,18 +104,18 @@ class User < ActiveRecord::Base
 
   validates_presence_of     :login
   validates_presence_of     :email
-  validates_format_of       :login, :message => _('incorrect login format'), :with => Profile::IDENTIFIER_FORMAT, :if => (lambda {|user| !user.login.blank?})
+  validates_format_of       :login, :message => :login_format, :with => Profile::IDENTIFIER_FORMAT, :if => (lambda {|user| !user.login.blank?})
   validates_presence_of     :password,                   :if => :password_required?
   validates_presence_of     :password_confirmation,      :if => :password_required?
-  validates_length_of       :password, :message => _('length must be within 4 to 40 characters'), :within => 4..40, :if => :password_required?
+  validates_length_of       :password, :within => 4..40, :if => :password_required?
   validates_confirmation_of :password,                   :if => :password_required?
-  validates_length_of       :login, :message => _('length must be within 2 to 40 characters'), :within => 2..40, :if => (lambda {|user| !user.login.blank?})
-  validates_length_of       :email, :message => _('length must be within 3 to 100 characters'),:within => 3..100, :if => (lambda {|user| !user.email.blank?})
+  validates_length_of       :login, :within => 2..40, :if => (lambda {|user| !user.login.blank?})
+  validates_length_of       :email, :within => 3..100, :if => (lambda {|user| !user.email.blank?})
   validates_uniqueness_of   :login, :case_sensitive => false, :scope => :environment_id
   validates_uniqueness_of   :email, :case_sensitive => false, :scope => :environment_id
   before_save :encrypt_password
   before_save :normalize_email, if: proc{ |u| u.email.present? }
-  validates_format_of :email, :message => _('incorrect email format'), :with => Noosfero::Constants::EMAIL_FORMAT, :if => (lambda {|user| !user.email.blank?})
+  validates_format_of :email, :with => Noosfero::Constants::EMAIL_FORMAT, :if => (lambda {|user| !user.email.blank?})
 
   validates_inclusion_of :terms_accepted, :in => [ '1' ], :if => lambda { |u| ! u.terms_of_use.blank? }, :message => N_('{fn} must be checked in order to signup.').fix_i18n
 
diff --git a/config/locales/en-US.yml b/config/locales/en-US.yml
index 842c28a..fa68faf 100644
--- a/config/locales/en-US.yml
+++ b/config/locales/en-US.yml
@@ -221,6 +221,9 @@
         <<: *errors_template
       full_messages:
         format: "%{attribute} %{message}"
+      models:
+        user:
+          login_format: "with invalid format. It must contain only lowercase letters, digits, '_' and '-', and must begin with a letter or a digit."
 
 en:
   <<: *en-US
diff --git a/config/locales/pt-BR.yml b/config/locales/pt-BR.yml
index 0637aee..322c4db 100644
--- a/config/locales/pt-BR.yml
+++ b/config/locales/pt-BR.yml
@@ -229,9 +229,11 @@
         <<: *errors_messages
       template:
         <<: *errors_template
-
       full_messages:
         format: "%{attribute} %{message}"
+      models:
+        user:
+          login_format: "com formato inválido. Só pode conter letras minúsculas não acentudadas, dígitos, '_' e '-', e deve iniciar com uma letra ou um dígito."
 
 pt:
   <<: *pt-BR
diff --git a/config/locales/pt-PT.yml b/config/locales/pt-PT.yml
index 7493e7b..1d136e8 100644
--- a/config/locales/pt-PT.yml
+++ b/config/locales/pt-PT.yml
@@ -229,3 +229,4 @@
 
       full_messages:
         format: "%{attribute} %{message}"
+
diff --git a/db/schema.rb b/db/schema.rb
index 87ace0e..35cc893 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -11,7 +11,7 @@
 #
 # It's strongly recommended to check this file into your version control system.
 
-ActiveRecord::Schema.define(:version => 20150712194411) do
+ActiveRecord::Schema.define(:version => 20150722042714) do
 
   create_table "abuse_reports", :force => true do |t|
     t.integer  "reporter_id"
@@ -163,8 +163,6 @@ ActiveRecord::Schema.define(:version => 20150712194411) do
     t.integer  "author_id"
     t.integer  "created_by_id"
     t.boolean  "show_to_followers",    :default => true
-    t.integer  "sash_id"
-    t.integer  "level",                :default => 0
   end
 
   add_index "articles", ["comments_count"], :name => "index_articles_on_comments_count"
@@ -191,17 +189,6 @@ ActiveRecord::Schema.define(:version => 20150712194411) do
   add_index "articles_categories", ["article_id"], :name => "index_articles_categories_on_article_id"
   add_index "articles_categories", ["category_id"], :name => "index_articles_categories_on_category_id"
 
-  create_table "badges_sashes", :force => true do |t|
-    t.integer  "badge_id"
-    t.integer  "sash_id"
-    t.boolean  "notified_user", :default => false
-    t.datetime "created_at"
-  end
-
-  add_index "badges_sashes", ["badge_id", "sash_id"], :name => "index_badges_sashes_on_badge_id_and_sash_id"
-  add_index "badges_sashes", ["badge_id"], :name => "index_badges_sashes_on_badge_id"
-  add_index "badges_sashes", ["sash_id"], :name => "index_badges_sashes_on_sash_id"
-
   create_table "blocks", :force => true do |t|
     t.string   "title"
     t.integer  "box_id"
@@ -297,10 +284,8 @@ ActiveRecord::Schema.define(:version => 20150712194411) do
     t.string   "referrer"
     t.text     "settings"
     t.integer  "paragraph_id"
-    t.string   "paragraph_uuid"
   end
 
-  add_index "comments", ["paragraph_uuid"], :name => "index_comments_on_paragraph_uuid"
   add_index "comments", ["source_id", "spam"], :name => "index_comments_on_source_id_and_spam"
 
   create_table "contact_lists", :force => true do |t|
@@ -370,7 +355,6 @@ ActiveRecord::Schema.define(:version => 20150712194411) do
     t.string   "default_language"
     t.string   "noreply_email"
     t.string   "redirection_after_signup",     :default => "keep_on_same_page"
-    t.text     "send_email_plugin_allow_to"
     t.string   "date_format",                  :default => "month_name_with_year"
   end
 
@@ -407,17 +391,6 @@ ActiveRecord::Schema.define(:version => 20150712194411) do
   add_index "friendships", ["person_id", "friend_id"], :name => "index_friendships_on_person_id_and_friend_id"
   add_index "friendships", ["person_id"], :name => "index_friendships_on_person_id"
 
-  create_table "gamification_plugin_badges", :force => true do |t|
-    t.string   "name"
-    t.integer  "level"
-    t.string   "description"
-    t.string   "custom_fields"
-    t.integer  "owner_id"
-    t.string   "owner_type"
-    t.datetime "created_at",    :null => false
-    t.datetime "updated_at",    :null => false
-  end
-
   create_table "images", :force => true do |t|
     t.integer "parent_id"
     t.string  "content_type"
@@ -474,46 +447,6 @@ ActiveRecord::Schema.define(:version => 20150712194411) do
     t.datetime "updated_at"
   end
 
-  create_table "mark_comment_as_read_plugin", :force => true do |t|
-    t.integer "comment_id"
-    t.integer "person_id"
-  end
-
-  add_index "mark_comment_as_read_plugin", ["comment_id", "person_id"], :name => "index_mark_comment_as_read_plugin_on_comment_id_and_person_id", :unique => true
-
-  create_table "merit_actions", :force => true do |t|
-    t.integer  "user_id"
-    t.string   "action_method"
-    t.integer  "action_value"
-    t.boolean  "had_errors",    :default => false
-    t.string   "target_model"
-    t.integer  "target_id"
-    t.text     "target_data"
-    t.boolean  "processed",     :default => false
-    t.datetime "created_at",                       :null => false
-    t.datetime "updated_at",                       :null => false
-  end
-
-  create_table "merit_activity_logs", :force => true do |t|
-    t.integer  "action_id"
-    t.string   "related_change_type"
-    t.integer  "related_change_id"
-    t.string   "description"
-    t.datetime "created_at"
-  end
-
-  create_table "merit_score_points", :force => true do |t|
-    t.integer  "score_id"
-    t.integer  "num_points", :default => 0
-    t.string   "log"
-    t.datetime "created_at"
-  end
-
-  create_table "merit_scores", :force => true do |t|
-    t.integer "sash_id"
-    t.string  "category", :default => "default"
-  end
-
   create_table "national_region_types", :force => true do |t|
     t.string "name"
   end
@@ -530,15 +463,6 @@ ActiveRecord::Schema.define(:version => 20150712194411) do
   add_index "national_regions", ["name"], :name => "name_index"
   add_index "national_regions", ["national_region_code"], :name => "code_index"
 
-  create_table "pairwise_plugin_choices_related", :force => true do |t|
-    t.integer  "choice_id"
-    t.integer  "parent_choice_id"
-    t.integer  "question_id"
-    t.integer  "user_id"
-    t.datetime "created_at",       :null => false
-    t.datetime "updated_at",       :null => false
-  end
-
   create_table "price_details", :force => true do |t|
     t.decimal  "price",              :default => 0.0
     t.integer  "product_id"
@@ -646,21 +570,15 @@ ActiveRecord::Schema.define(:version => 20150712194411) do
     t.boolean  "allow_members_to_invite",               :default => true
     t.boolean  "invite_friends_only",                   :default => false
     t.boolean  "secret",                                :default => false
-    t.integer  "sash_id"
-    t.integer  "level",                                 :default => 0
   end
 
   add_index "profiles", ["activities_count"], :name => "index_profiles_on_activities_count"
   add_index "profiles", ["created_at"], :name => "index_profiles_on_created_at"
-  add_index "profiles", ["enabled"], :name => "index_profiles_on_enabled"
   add_index "profiles", ["environment_id"], :name => "index_profiles_on_environment_id"
   add_index "profiles", ["friends_count"], :name => "index_profiles_on_friends_count"
   add_index "profiles", ["identifier"], :name => "index_profiles_on_identifier"
   add_index "profiles", ["members_count"], :name => "index_profiles_on_members_count"
   add_index "profiles", ["region_id"], :name => "index_profiles_on_region_id"
-  add_index "profiles", ["type"], :name => "index_profiles_on_type"
-  add_index "profiles", ["validated"], :name => "index_profiles_on_validated"
-  add_index "profiles", ["visible"], :name => "index_profiles_on_visible"
 
   create_table "proposals_discussion_plugin_proposal_evaluations", :force => true do |t|
     t.integer  "proposal_task_id"
@@ -718,12 +636,6 @@ ActiveRecord::Schema.define(:version => 20150712194411) do
     t.boolean "is_global"
   end
 
-  add_index "role_assignments", ["accessor_id", "accessor_type", "resource_id", "resource_type"], :name => "index_on_role_assigments_accessor_resource_role"
-  add_index "role_assignments", ["accessor_id", "accessor_type", "role_id"], :name => "index_on_role_assigments_accessor_role"
-  add_index "role_assignments", ["accessor_id", "accessor_type"], :name => "index_role_assignments_on_accessor_id_and_accessor_type"
-  add_index "role_assignments", ["resource_id", "resource_type", "role_id"], :name => "index_on_role_assigments_resource_role"
-  add_index "role_assignments", ["resource_id", "resource_type"], :name => "index_role_assignments_on_resource_id_and_resource_type"
-
   create_table "roles", :force => true do |t|
     t.string  "name"
     t.string  "key"
@@ -733,11 +645,6 @@ ActiveRecord::Schema.define(:version => 20150712194411) do
     t.integer "profile_id"
   end
 
-  create_table "sashes", :force => true do |t|
-    t.datetime "created_at", :null => false
-    t.datetime "updated_at", :null => false
-  end
-
   create_table "scraps", :force => true do |t|
     t.text     "content"
     t.integer  "sender_id"
diff --git a/script/updatepo/data/pt.upo b/script/updatepo/data/pt.upo
index cc89297..364e84f 100644
--- a/script/updatepo/data/pt.upo
+++ b/script/updatepo/data/pt.upo
@@ -128,8 +128,3 @@ msgid "Saved with success!"# msgstr "Salvo com sucesso!"
 msgid "Select at least one category"# msgstr "Selecione pelo menos uma categoria"
 msgid "Task Acceptance"# msgstr "Aceitar Tarefa"
 msgid "Select an acceptance email template:"# msgstr "Selecionar modelo de email para aceitar:"
-msgid "incorrect email format"# msgstr "formato do email inválido. O mesmo só pode ser composto por letras minúsculas, números, '_' e '-'. Adicionalmente não é permitido usar acentuação nem começar com '_' ou '-'"
-msgid "incorrect login format"# msgstr "formato do login inválido. O mesmo só pode ser composto por letras minúsculas, números, '_' e '-'. Adicionalmente não é permitido usar acentuação nem começar com '_' ou '-'"
-msgid "length must be within 4 to 40 characters"# msgstr "o tamanho do campo deve ser entre 4 e 40 caracteres"
-msgid "length must be within 2 to 40 characters"# msgstr "o tamanho do campo deve ser entre 2 e 40 caracteres"
-msgid "length must be within 3 to 100 characters"# msgstr "o tamanho do campo deve ser entre 3 e 100 caracteres"
diff --git a/test/unit/api/session_test.rb b/test/unit/api/session_test.rb
index e83ce61..9b1a64a 100644
--- a/test/unit/api/session_test.rb
+++ b/test/unit/api/session_test.rb
@@ -39,7 +39,32 @@ class SessionTest < ActiveSupport::TestCase
     assert json['private_token'].blank?
   end
 
-  should 'do not register a user without email' do
+  should 'not register a user with invalid login' do
+    params = {:login => "c", :password => "newuserapi", :password_confirmation => "newuserapi", :email => "newuserapi@email.com" }
+    post "/api/v1/register?#{params.to_query}"
+    assert_equal 400, last_response.status
+    json = JSON.parse(last_response.body)
+    msg = json['message'].split(':')
+    key = msg[0][2, 5]
+    val = msg[1][2, 38]
+    assert_equal "login", key
+    assert_equal "is too short (minimum is 2 characters)", val
+  end
+
+  should 'not register a user with invalid login pt' do
+    I18n.locale = "pt-BR"
+    params = {:lang => "pt-BR", :login => "c", :password => "newuserapi", :password_confirmation => "newuserapi", :email => "newuserapi@email.com" }
+    post "/api/v1/register?#{params.to_query}"
+    assert_equal 400, last_response.status
+    json = JSON.parse(last_response.body)
+    msg = json['message'].split(':')
+    key = msg[0][2, 5]
+    val = msg[1][2, 35]
+    assert_equal "login", key
+    assert val.include? "muito curto"
+  end
+
+  should 'not register a user without email' do
     params = {:login => "newuserapi", :password => "newuserapi", :password_confirmation => "newuserapi", :email => nil }
     post "/api/v1/register?#{params.to_query}"
     assert_equal 400, last_response.status
--
libgit2 0.21.2