Connecting firestore using laravel

i have been trying to connect firestore using laravel 11 but it is not working, i have tried laravel 11,10 and 9 but to no avail. if i run my php artisan serve after creating code to insert into firestore it will show me a blank white screen with no error on my logs please what am i not getting please, below was the guide i used https://medium.com/@moizali1011/mastering-firestore-crud-operations-in-laravel-a-comprehensive-guide-1e4f2f7bb28f

Route::get('/insert', function() {
$flexInterest1 =  app('firebase.firestore')->database()->collection('testingWeb')->newDocument();
$flexInterest1 -> set([
    'active' => false, 
     'paymentID' => $flexInterest1->id(), 
    'status' => 'true',
    'targetTitle' => '-',
]);
echo "<h1>".'inserted'."</h1>";
});