diff --git a/Pearlception/app/controllers/application_controller.rb b/Pearlception/app/controllers/application_controller.rb
index 503e8f2..e32a2a1 100644
--- a/Pearlception/app/controllers/application_controller.rb
+++ b/Pearlception/app/controllers/application_controller.rb
@@ -1,6 +1,4 @@
 class ApplicationController < ActionController::Base
-  before_filter :configure_permitted_parameters, if: :devise_controller?
-  
   protect_from_forgery with: :exception
 protected
   
@@ -24,11 +22,4 @@ protected
     end
   end
   
-  def configure_permitted_parameters
-    puts "CONFIG PARAMS"
-    devise_parameter_sanitizer.permit(:sign_in) do |user_params|
-      user_params.permit(:email, :password, :remember_me)
-    end 
-  end
-
 end
diff --git a/Pearlception/app/controllers/registrations_controller.rb b/Pearlception/app/controllers/registrations_controller.rb
index 49b4c31..51ca8db 100644
--- a/Pearlception/app/controllers/registrations_controller.rb
+++ b/Pearlception/app/controllers/registrations_controller.rb
@@ -1,5 +1,6 @@
 class RegistrationsController < Devise::RegistrationsController
   include ApplicationHelper
+
   #protected
   def new
       Apartment::Tenant.switch!
@@ -9,11 +10,11 @@ class RegistrationsController < Devise::RegistrationsController
   def create
     user_params = sign_up_params
     @user = User.new(user_params)
-    #if either the password or password confirmation is missing, redirect to sign in again
-    puts params
-    if user_params[:password] == nil || user_params[:password_confirmation] == nil
+    if user_params[:password] == "" || user_params[:password_confirmation] == ""
+        puts "NO PASSWORD ERROR"
         flash[:error] = "Need a password to sign up"
-        redirect_to '/signin' and return 
+        redirect_to '/signin'
+        return 
     end
     if params[:company_serial]
       company = Company.find_by(company_token: params[:company_serial])
@@ -36,7 +37,12 @@ class RegistrationsController < Devise::RegistrationsController
       redirect_to '/'
     else
       @user.save
+    begin
       sign_in @user
+    rescue 
+      flash[:error] = "Email already in use"
+      redirect_to '/signin' and return 
+    end
       if !@user.admin
         Apartment::Tenant.switch(Company.find(@user.company_id).company_name.gsub(/'/,'').gsub(/\s/,''))
       end
diff --git a/Pearlception/app/controllers/sessions_controller.rb b/Pearlception/app/controllers/sessions_controller.rb
index fdd9dfc..b19f09c 100644
--- a/Pearlception/app/controllers/sessions_controller.rb
+++ b/Pearlception/app/controllers/sessions_controller.rb
@@ -6,9 +6,10 @@ class SessionsController < Devise::RegistrationsController
   end
 
   def create
-    user_parameters = sign_in_params
-    @user = User.find_by(email: user_parameters[:email])
-    if @user == nil || !@user.valid_password?(user_parameters[:password])
+    puts "NOW IN CREATE"
+    params = sign_in_params
+    @user = User.find_by(email: params[:email])
+    if @user == nil || !@user.valid_password?(params[:password])
       redirect_to "/signin"
       return
     end 
diff --git a/Pearlception/app/models/user.rb b/Pearlception/app/models/user.rb
index 1c27f7e..b04846f 100644
--- a/Pearlception/app/models/user.rb
+++ b/Pearlception/app/models/user.rb
@@ -3,6 +3,9 @@ class User < ApplicationRecord
   has_many :runs
   # Include default devise modules. Others available are:
   # :confirmable, :lockable, :timeoutable and :omniauthable
+
+  validates :email, presence: true, uniqueness: true
+
   devise :database_authenticatable, :registerable,
          :recoverable, :rememberable, :trackable, :validatable
 
diff --git a/Pearlception/db/migrate/20170329193000_make_user_email_uniq.rb b/Pearlception/db/migrate/20170329193000_make_user_email_uniq.rb
new file mode 100644
index 0000000..485f788
--- /dev/null
+++ b/Pearlception/db/migrate/20170329193000_make_user_email_uniq.rb
@@ -0,0 +1,5 @@
+class MakeUserEmailUniq < ActiveRecord::Migration[5.0]
+  def change
+    change_column :users, :email, :string, {unique: true, null: false , default: ""}
+  end
+end
diff --git a/Pearlception/db/schema.rb b/Pearlception/db/schema.rb
index a2a9051..dcdd10a 100644
--- a/Pearlception/db/schema.rb
+++ b/Pearlception/db/schema.rb
@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20170210202948) do
+ActiveRecord::Schema.define(version: 20170329193000) do
 
   create_table "companies", force: :cascade, options: "ENGINE=InnoDB DEFAULT CHARSET=utf8" do |t|
     t.string   "company_name"