Laravel – In RouteAction.php line 84: Invalid route action

When I create a controller in laravel 5.4 I get this error

In RouteAction.php line 84:

Invalid route action:
[App\Http\Controllers\Admin\DashboardController].

I do not create Admin/DashboardController. Still makes a errors

web.php

Route::group(['namespace' => 'Admin', 'middleware' => ['auth:web', 'CheckAdmin'], 'prefix' => 'admin'],function (){
    $this->resource('authorities', 'AuthoritiesController');
    $this->resource('complaints', 'ComplaintsController');
    $this->resource('schools-list', 'SchoolsListController');
    $this->resource('inspection-failed', 'InspectionFailedController');
    $this->resource('inspection-register', 'InspectionRegisterController');
    $this->resource('inspection-results', 'InspectionResultsController');
    $this->resource('inspectors-list', 'InspectionListController');
    $this->resource('investigators', 'InvestigatorsController');
    $this->resource('notification-infringement', 'NotificationInfringementController');
    $this->resource('system-experts', 'SystemExpertsController');
    $this->resource('submit-information', 'SubmitInformationController');
    $this->resource('primary-committee-meeting', 'PrimaryCommitteeMeetingController');
    $this->resource('list-violations-school', 'ListViolationsSchoolController');
    $this->resource('announcing', 'AnnouncingController');
    $this->resource('display-vote', 'DisplayVoteController');
    $this->resource('announcing-supervisory-vote', 'AnnouncingSupervisoryVoteController');
    $this->resource('supervisory-board-vote', 'SupervisoryBoardVoteController');
    $this->resource('defense', 'DefenseController');
    $this->resource('votiing-supervisory-board', 'VotiingSupervisoryBoardController');
    $this->get('dashboard', 'DashboardController');
});