diff --git a/api-payroll/public/html/landing.php b/api-payroll/public/html/landing.php
index eddf31b..cfbe622 100644
--- a/api-payroll/public/html/landing.php
+++ b/api-payroll/public/html/landing.php
@@ -1,12 +1,3 @@
-<?php
-session_start();
-
-if(!isset($_SESSION['userName'])){
-    header("Location: ./login.php");
-    exit();
-}
-?>
-
 <!-- Latest compiled and minified CSS -->
 <link rel="stylesheet" href="../css/bootstrap.min.css">
 
@@ -40,10 +31,6 @@ if(!isset($_SESSION['userName'])){
                             <li>
                                 <a href="#" data-nav_accion="registerWorkDays.php" ><span class="glyphicon glyphicon-tasks"></span> Management</a>
                             </li>
-
-                            <li>
-                                <a href="#" onclick="loadView();"><span class="glyphicon glyphicon-wrench"></span> Change password</a>
-                            </li>
                         </ul>
                     <ul class="nav navbar-nav navbar-right">
                         <li>
diff --git a/api-payroll/public/html/login.php b/api-payroll/public/html/login.php
index 15a00e4..46f8e64 100644
--- a/api-payroll/public/html/login.php
+++ b/api-payroll/public/html/login.php
@@ -1,12 +1,3 @@
-<?php
-session_start();
-
-if(isset($_SESSION['userName'])){
-    header("Location: ./landing.php");
-    exit();
-}
-?>
-
 <!-- Latest compiled and minified CSS -->
 <link rel="stylesheet" href="../css/bootstrap.min.css">
 
diff --git a/api-payroll/public/js/landing.js b/api-payroll/public/js/landing.js
index 42a8bb5..9bb9850 100644
--- a/api-payroll/public/js/landing.js
+++ b/api-payroll/public/js/landing.js
@@ -13,12 +13,15 @@ function logout() {
             window.location.replace(baseUrl + '/html/login.php');
         },
         error:function(x,e) {
+            let responseText = $.parseJSON(x["responseText"]);
+
             if (x.status==0) {
                 $('#modalErrorInternetConnection').modal('show');
             } else if(x.status==404) {
                 $('#modalError404').modal('show');
             } else if(x.status==500) {
-                $('#modalError500').modal('show');
+                $('#modalServerResponseError').modal('show');
+                document.getElementById('modalResponseError').innerHTML = responseText['message'];
             } else if(e=='parsererror') {
                 $('#modalErrorParsererror').modal('show');
             } else if(e=='timeout'){
@@ -59,12 +62,15 @@ function loadView(requestedView){
             $("#newViewBody").hide().html(data).show('slow');
         },
         error:function(x,e) {
+            let responseText = $.parseJSON(x["responseText"]);
+
             if (x.status==0) {
                 $('#modalErrorInternetConnection').modal('show');
             } else if(x.status==404) {
                 $('#modalError404').modal('show');
             } else if(x.status==500) {
-                $('#modalError500').modal('show');
+                $('#modalServerResponseError').modal('show');
+                document.getElementById('modalResponseError').innerHTML = responseText['message'];
             } else if(e=='parsererror') {
                 $('#modalErrorParsererror').modal('show');
             } else if(e=='timeout'){
diff --git a/api-payroll/src/application/EmployeeApplication.php b/api-payroll/src/application/EmployeeApplication.php
index 1deb41d..3391ea3 100644
--- a/api-payroll/src/application/EmployeeApplication.php
+++ b/api-payroll/src/application/EmployeeApplication.php
@@ -9,13 +9,28 @@ class EmployeeApplication{
     private $cryptographyService;
     private $asserts;
     private $settings;
+    private $session;
 
-    function __construct($employeeSettings, $mysql, $cryptographyService, $asserts){
+    /**
+     * EmployeeApplication constructor.
+     * @param $employeeSettings
+     * @param $mysql
+     * @param $cryptographyService
+     * @param $asserts
+     * @param $session
+     * @throws Exception
+     */
+    function __construct($employeeSettings, $mysql, $cryptographyService, $asserts, $session){
         $this->settings = $employeeSettings;
 
         $this->cryptographyService = $cryptographyService;
         $this->pdo = $mysql;
         $this->asserts = $asserts;
+        $this->session = $session;
+
+        if(!$this->session->verifySession()){
+            throw new Exception('A session is requited to access this resouerce.');
+        };
     }
 
     /**
@@ -81,7 +96,6 @@ class EmployeeApplication{
         } catch( PDOExecption $e ) {
             $this->pdo->rollback();
             throw new Exception('There was an error while trying to save a new person.');
-            $this->logger->warning("There was an error in the EmployeeApplication->saveNewPerson caused by: $e ");
         }
     }
 
diff --git a/api-payroll/src/application/SessionApplication.php b/api-payroll/src/application/SessionApplication.php
index a7f3af2..74fe3f2 100644
--- a/api-payroll/src/application/SessionApplication.php
+++ b/api-payroll/src/application/SessionApplication.php
@@ -87,6 +87,11 @@ class SessionApplication{
 
         if($this->cryptographyService->decryptPassword($password, $storedPassword)){
             $this->session->set('userName', $userName);
+
+            if(!$this->verifySession()){
+                throw new Exception('An error occurred while trying to create the session.');
+            }
+
             return true;
         }
         else{
@@ -119,10 +124,15 @@ class SessionApplication{
 
     /**
      * @return array
+     * @throws Exception
      */
     function destroySession(){
         $this->session->clear();
 
+        if($this->verifySession()){
+            throw new Exception('An error occurred while trying to end the session.');
+        }
+
         return array('status' => 'success', 'message' => 'Successfully logged out.');
     }
 }
diff --git a/api-payroll/src/dependencies.php b/api-payroll/src/dependencies.php
index 86a1ed8..abed60d 100644
--- a/api-payroll/src/dependencies.php
+++ b/api-payroll/src/dependencies.php
@@ -76,6 +76,6 @@ $container['sessionApplication'] = function ($c) {
 $container['employeeApplication'] = function ($c) {
     $employeeSettings = $c->get('settings')['employee'];
     $employeeApplication = new App\Application\EmployeeApplication($employeeSettings,
-        $c['mysql'], $c['cryptographyService'], $c['asserts']);
+        $c['mysql'], $c['cryptographyService'], $c['asserts'], $c['sessionApplication']);
     return $employeeApplication;
 };
diff --git a/api-payroll/src/settings.php b/api-payroll/src/settings.php
index e007764..165767e 100644
--- a/api-payroll/src/settings.php
+++ b/api-payroll/src/settings.php
@@ -22,7 +22,7 @@ return [
             'name'           => 'payroll-laziness-rocks',
             'lifetime'       => 10,
             'path'           => '/',
-            'domain'         => "laziness.rocks",
+            'domain'         => null,
             'secure'         => false,
             'httponly'       => true,