Illuminate \ Contracts \ Container \ BindingResolutionExceptionTarget class [ProjectController] neexistuje.
# ajouter le controller
use App\Http\Controllers\ProjectController;
Route::resource('/projects', ProjectController::class);
Cílová třída [] neexistuje.
composer dump-autoload
illuminate \ contracts \ container \ bindingresolutionexception: Cílová třída laravel 8
Route::get('/users/{name?}' , [SayhelloController::class,'index']);
Route::resource('/users' , SayhelloController::class);