e.g.
Notice: Trying to get property of non-object in C:\xampp\htdocs\test\app\cache\c__xampp_htdocs_test_app_views_index.volt.php
on line 109
https://localhost/test/xxx -> XxxController handler class cannot be loaded
If user saw these message, they may guess what framework is used in website.
How to disable these debug message?