laravel 'guarded' table not found code example

Example 1: laravel updateOrCreate

// If there's a flight from Oakland to San Diego, set the price to $99.
// If no matching model exists, create one.
$flight = App\Flight::updateOrCreate(
    ['departure' => 'Oakland', 'destination' => 'San Diego'],
    ['price' => 99, 'discounted' => 1]
);

Example 2: laravel delete where

DB::table('users')->where('id', $id)->delete();