diff --git a/src/Controller/RoleController.php b/src/Controller/RoleController.php
index 49c03bc5..3d34eb50 100644
--- a/src/Controller/RoleController.php
+++ b/src/Controller/RoleController.php
@@ -9,6 +9,7 @@ use Doctrine\ORM\Query;
 use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\HttpFoundation\Response;
 use Symfony\Component\Validator\Validator\ValidatorInterface;
+use Doctrine\DBAL\Exception\ForeignKeyConstraintViolationException;
 
 use App\Menu\Generator as MenuGenerator;
 use App\Access\Generator as ACLGenerator;
@@ -275,7 +276,19 @@ class RoleController extends BaseController
             ], 422);
         } else {
             // validated! save the entity
-            $em->flush();
+            // catch the exception in case user updated the id
+            try 
+            {
+                $em->flush();
+            }
+            catch(ForeignKeyConstraintViolationException $e)
+            {
+                $error_array['id'] = 'Role has already been assigned to user/s and id cannot be updated';
+                return $this->json([
+                    'success' => false,
+                    'errors' => $error_array
+                ], 403);
+            }
 
             // return successful response
             return $this->json([
diff --git a/templates/role/form.html.twig b/templates/role/form.html.twig
index 7d86d28e..700356d3 100644
--- a/templates/role/form.html.twig
+++ b/templates/role/form.html.twig
@@ -116,7 +116,8 @@
 						}
 					});
 				}).fail(function(response) {
-					if (response.status == 422) {
+                                        console.log(response.status);
+					if (response.status == 422 || response.status == 403) {
 						var errors = response.responseJSON.errors;
 						var firstfield = false;