ralevel 5.2 'middleware' => ['admin.login','web'] Parallel middleware will cause an error

Question

Visithttp://myblog.hz/admin/index Can display 123, but cannot call the welcome page

Error code: FatalErrorExceptionin View.php line 3: Maximum function nesting level of '100' reached, aborting!

Source code:Route::group(['prefix' => 'admin','namespace'=>'Admin', 'middleware' => ['web','admin.login']],
function () {

Route::get('login','IndexController@login');
Route: :get('index','IndexController@index');
Route::resource('article','ArticleController');
});

Middleware code: public function handle ($ Request, CLOSURE $ Next)
{
Echo 123;
Return $ NEXT ($ Request);
}

## If there is only one web, or admin.login, it is normal. run

Answer 1

Just regenerate a laravel