Fatal error: Uncaught Error: Call to undefined function optional() in D:\dev\asl\vendor\xoco70\laravel-tournaments\resources\views\partials\tree\brackets\fight.blade.php:3 Stack trace: #0 {main} thrown in D:\dev\asl\vendor\xoco70\laravel-tournaments\resources\views\partials\tree\brackets\fight.blade.php on line 3