illuminate contracts container bindingresolutionexception target class code example

Example 1: Target class [] does not exist.

composer dump-autoload

Example 2: Illuminate\Contracts\Container\BindingResolutionExceptionTarget class [ProjectController] does not exist.

# ajouter le controller
use App\Http\Controllers\ProjectController;


Route::resource('/projects', ProjectController::class);

Example 3: illuminate\contracts\container\bindingresolutionexception: target class laravel 8

Route::get('/users/{name?}' , [SayhelloController::class,'index']);
Route::resource('/users' , SayhelloController::class);