Fatal error: Uncaught Error: Call to undefined function app() in /var/www/app.pulsar.pl/laravel/storage/framework/views/2cae955d914076a99d322730b2bec568881d3d85.php:28 Stack trace: #0 {main} thrown in /var/www/app.pulsar.pl/laravel/storage/framework/views/2cae955d914076a99d322730b2bec568881d3d85.php on line 28