HTTP codes for get_room_info API call

public/js/vroom.js

@@ -640,7 +640,13 @@ function initVroom(room) {
       },
       async: false,
       error: function(data){
+        data = data.responseJSON;
+        if (data.msg){
+          $.notify(data.msg, 'error');
+        }
+        else{
           $.notify(locale.ERROR_OCCURRED, 'error');
+        }
       },
       success: function(data){
         // Notify others if our role changed

vroom.pl

@@ -1668,8 +1668,10 @@ any '/api' => sub {
         return $self->render(
           json => {
             status => 'error',
-            msg    => $self->l('ERROR_OCCURRED')
+            msg    => $self->l('ERROR_OCCURRED'),
-          }
+            err    => 'ERROR_OCCURRED'
+          },
+          status => 503
         );
       }
     }