Fatal error: Uncaught Error: Using $this when not in object context in /home/airbuahc/public_html/website-subscription-management-system/vendor/symfony/error-handler/Resources/views/traces.html.php:5 Stack trace: #0 {main} thrown in /home/airbuahc/public_html/website-subscription-management-system/vendor/symfony/error-handler/Resources/views/traces.html.php on line 5