diff --git a/application/controllers/Admins.php b/application/controllers/Admins.php
index e39949ef..4c067280 100644
--- a/application/controllers/Admins.php
+++ b/application/controllers/Admins.php
@@ -45,7 +45,7 @@ class Admins extends EA_Controller {
 
         if (cannot('view', PRIV_USERS))
         {
-            show_error('Forbidden', 403);
+            abort(403, 'Forbidden');
         }
 
         $user_id = session('user_id');
@@ -104,7 +104,7 @@ class Admins extends EA_Controller {
 
             if (cannot('add', PRIV_USERS))
             {
-                show_error('Forbidden', 403);
+                abort(403, 'Forbidden');
             }
 
             $admin_id = $this->admins_model->save($admin);
@@ -131,7 +131,7 @@ class Admins extends EA_Controller {
 
             if (cannot('edit', PRIV_USERS))
             {
-                show_error('Forbidden', 403);
+                abort(403, 'Forbidden');
             }
 
             $admin_id = $this->admins_model->save($admin);
@@ -156,7 +156,7 @@ class Admins extends EA_Controller {
         {
             if (cannot('delete', PRIV_USERS))
             {
-                show_error('Forbidden', 403);
+                abort(403, 'Forbidden');
             }
 
             $admin_id = request('admin_id');
@@ -182,7 +182,7 @@ class Admins extends EA_Controller {
         {
             if (cannot('view', PRIV_USERS))
             {
-                show_error('Forbidden', 403);
+                abort(403, 'Forbidden');
             }
 
             $admin_id = request('admin_id');
diff --git a/application/controllers/Appointments.php b/application/controllers/Appointments.php
index 7292fe6a..4de40322 100644
--- a/application/controllers/Appointments.php
+++ b/application/controllers/Appointments.php
@@ -57,7 +57,7 @@ class Appointments extends EA_Controller {
         {
             if (cannot('view', PRIV_APPOINTMENTS))
             {
-                show_error('Forbidden', 403);
+                abort(403, 'Forbidden');
             }
 
             $keyword = request('keyword', '');
@@ -89,7 +89,7 @@ class Appointments extends EA_Controller {
 
             if (cannot('add', PRIV_APPOINTMENTS))
             {
-                show_error('Forbidden', 403);
+                abort(403, 'Forbidden');
             }
 
             $appointment_id = $this->appointments_model->save($appointment);
@@ -116,7 +116,7 @@ class Appointments extends EA_Controller {
 
             if (cannot('edit', PRIV_APPOINTMENTS))
             {
-                show_error('Forbidden', 403);
+                abort(403, 'Forbidden');
             }
 
             $appointment_id = $this->appointments_model->save($appointment);
@@ -141,7 +141,7 @@ class Appointments extends EA_Controller {
         {
             if (cannot('delete', PRIV_APPOINTMENTS))
             {
-                show_error('Forbidden', 403);
+                abort(403, 'Forbidden');
             }
 
             $appointment_id = request('appointment_id');
@@ -167,7 +167,7 @@ class Appointments extends EA_Controller {
         {
             if (cannot('view', PRIV_APPOINTMENTS))
             {
-                show_error('Forbidden', 403);
+                abort(403, 'Forbidden');
             }
 
             $appointment_id = request('appointment_id');
diff --git a/application/controllers/Legal_settings.php b/application/controllers/Legal_settings.php
index 84037c33..214e3c5b 100644
--- a/application/controllers/Legal_settings.php
+++ b/application/controllers/Legal_settings.php
@@ -54,7 +54,7 @@ class Legal_settings extends EA_Controller {
 
         if (cannot('view', PRIV_SYSTEM_SETTINGS))
         {
-            show_error('Forbidden', 403);
+            abort(403, 'Forbidden');
         }
 
         $user_id = session('user_id');
diff --git a/application/controllers/Secretaries.php b/application/controllers/Secretaries.php
index 20f28620..9b68fd6d 100644
--- a/application/controllers/Secretaries.php
+++ b/application/controllers/Secretaries.php
@@ -46,7 +46,7 @@ class Secretaries extends EA_Controller {
 
         if (cannot('view', PRIV_USERS))
         {
-            show_error('Forbidden', 403);
+            abort(403, 'Forbidden');
         }
 
         $user_id = session('user_id');
@@ -74,7 +74,7 @@ class Secretaries extends EA_Controller {
         {
             if (cannot('view', PRIV_USERS))
             {
-                show_error('Forbidden', 403);
+                abort(403, 'Forbidden');
             }
 
             $keyword = request('keyword', '');
@@ -106,7 +106,7 @@ class Secretaries extends EA_Controller {
 
             if (cannot('add', PRIV_USERS))
             {
-                show_error('Forbidden', 403);
+                abort(403, 'Forbidden');
             }
 
             $secretary_id = $this->secretaries_model->save($secretary);
@@ -133,7 +133,7 @@ class Secretaries extends EA_Controller {
 
             if (cannot('edit', PRIV_USERS))
             {
-                show_error('Forbidden', 403);
+                abort(403, 'Forbidden');
             }
 
             $secretary_id = $this->secretaries_model->save($secretary);
@@ -158,7 +158,7 @@ class Secretaries extends EA_Controller {
         {
             if (cannot('delete', PRIV_USERS))
             {
-                show_error('Forbidden', 403);
+                abort(403, 'Forbidden');
             }
 
             $secretary_id = request('secretary_id');
@@ -184,7 +184,7 @@ class Secretaries extends EA_Controller {
         {
             if (cannot('view', PRIV_USERS))
             {
-                show_error('Forbidden', 403);
+                abort(403, 'Forbidden');
             }
 
             $secretary_id = request('secretary_id');
diff --git a/application/controllers/Unavailabilities.php b/application/controllers/Unavailabilities.php
index 3f874610..c6fb3ae0 100644
--- a/application/controllers/Unavailabilities.php
+++ b/application/controllers/Unavailabilities.php
@@ -42,7 +42,7 @@ class Unavailabilities extends EA_Controller {
         {
             if (cannot('view', PRIV_APPOINTMENTS))
             {
-                show_error('Forbidden', 403);
+                abort(403, 'Forbidden');
             }
 
             $keyword = request('keyword', '');
@@ -74,7 +74,7 @@ class Unavailabilities extends EA_Controller {
 
             if (cannot('add', PRIV_APPOINTMENTS))
             {
-                show_error('Forbidden', 403);
+                abort(403, 'Forbidden');
             }
 
             $unavailability_id = $this->unavailabilities_model->save($unavailability);
@@ -101,7 +101,7 @@ class Unavailabilities extends EA_Controller {
 
             if (cannot('edit', PRIV_APPOINTMENTS))
             {
-                show_error('Forbidden', 403);
+                abort(403, 'Forbidden');
             }
 
             $unavailability_id = $this->unavailabilities_model->save($unavailability);
@@ -126,7 +126,7 @@ class Unavailabilities extends EA_Controller {
         {
             if (cannot('delete', PRIV_APPOINTMENTS))
             {
-                show_error('Forbidden', 403);
+                abort(403, 'Forbidden');
             }
 
             $unavailability_id = request('unavailability_id');
@@ -152,7 +152,7 @@ class Unavailabilities extends EA_Controller {
         {
             if (cannot('view', PRIV_APPOINTMENTS))
             {
-                show_error('Forbidden', 403);
+                abort(403, 'Forbidden');
             }
 
             $unavailability_id = request('unavailability_id');