Fatal error: Uncaught Error: Call to undefined method Illuminate\Foundation\Application::configure() in /var/www/vhosts/seat-marketingplan.staging.xupx.de/httpdocs/bootstrap/app.php:8 Stack trace: #0 /var/www/vhosts/seat-marketingplan.staging.xupx.de/httpdocs/public/index.php(18): require_once() #1 {main} thrown in /var/www/vhosts/seat-marketingplan.staging.xupx.de/httpdocs/bootstrap/app.php on line 8