Warning: Undefined variable $environment in /var/www/html/sitefelicien/azuracast/backend/templates/partials/head.phtml on line 7

Fatal error: Uncaught Error: Call to a member function isDevelopment() on null in /var/www/html/sitefelicien/azuracast/backend/templates/partials/head.phtml:7 Stack trace: #0 {main} thrown in /var/www/html/sitefelicien/azuracast/backend/templates/partials/head.phtml on line 7