Fatal error: Uncaught Error: Using $this when not in object context in /home/realadvivf/v2.2/install-profiles/demo-basic/app/Resources/views/Includes/language.html.php:11 Stack trace: #0 {main} thrown in /home/realadvivf/v2.2/install-profiles/demo-basic/app/Resources/views/Includes/language.html.php on line 11