diff --git a/drupalchat.admin.inc b/drupalchat.admin.inc
index bd6cab6..0816b2b 100755
--- a/drupalchat.admin.inc
+++ b/drupalchat.admin.inc
@@ -12,7 +12,12 @@ function drupalchat_app_settings(){
     $token = $_SESSION['token'];
   }else{
     $json = _drupalchat_get_auth(array());
-    $token = $json['key'];
+    if (array_key_exists('key', $json)) {
+      $token = $json['key'];
+    }
+    else {
+      return drupal_set_message($json->data, 'warning');
+    }
   }
 
   $drupalchat_host = DRUPALCHAT_EXTERNAL_A_HOST;