Видео ютуба по тегу Laravel Controller Validation Request Does Not Exist

Fixing the Method Illuminate\Database\Eloquent\Collection::attach does not exist Error in Laravel 8
Fixing the Method Illuminate\Database\Eloquent\Collection::attach does not exist Error in Laravel 8
Solving the Undefined Variable: request Issue in Laravel 8 Validation
Solving the Undefined Variable: request Issue in Laravel 8 Validation
Why am I getting
Why am I getting "Method Illuminate\Http\Request::validated does not exist" in Laravel?