HTTP codes for switch_lang

public/js/vroom.js

@@ -52,17 +52,18 @@ $('#switch_lang').change(function(){
         }
       })
     },
-    error: function() {
+    error: function(data) {
+      data = data.responseJSON;
+      if (data.msg){
+        $.notify(data.msg);
+      }
+      else{
         $.notify(locale.ERROR_OCCURRED, 'error');
+      }
     },
     success: function(data){
-      if (data.status === 'success'){
       window.location.reload();
     }
-      else{
-        $.notify(locale.ERROR_OCCURED, 'error');
-      }
-    }
   });
 });