[Task]: Replace the specific login error with a generic one (#553)

* avoid displaying the specifc login error and replace with a generic one

* avoid displaying the specifc login error and replace with a generic one

Author: kingjia90

src/Controller/AccountController.php

@@ -90,7 +90,7 @@ public function loginAction(
 
         return $this->render('account/login.html.twig', [
             'form' => $form->createView(),
-            'error' => $error,
+            'error' => $error ? 'Credentials are not valid.' : '',
             'hideBreadcrumbs' => true
         ]);
     }

templates/account/login.html.twig

@@ -11,7 +11,7 @@
 
             {% if error %}
                 <div class="alert alert-danger">
-                    {{ error.getMessage() }}
+                    {{ error }}
                 </div>
             {% endif %}