Target class [App\Product] does not exist. code example

Example 1: Target class [] does not exist.

composer dump-autoload

Example 2: Target class [PlayerController] does not exist.

//add controller path
Route::get('/players', 'App\Http\Controllers\PlayerController@index');

Example 3: Target class [Controller] does not exist.

Route::get('/users', [UserController::class, 'index']);