Missing Method in ActorsController 📋

Cake\Controller\Exception\MissingActionException
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Error The action 8820 is not defined in ActorsController

/html/vendor/cakephp/cakephp/src/Controller/Controller.php Toggle Arguments
        $request $this->request;
        $action $request->getParam('action');
        if (!$this->isAction($action)) {
            throw new MissingActionException([
                'controller' => $this->name 'Controller',
                'action' => $request->getParam('action'),
                'prefix' => $request->getParam('prefix') ?: '',
                'plugin' => $request->getParam('plugin'),

Error Create ActorsController::8820() in file: src/Controller/ActorsController.php.

<?php
namespace App\Controller;

use 
App\Controller\AppController;

class 
ActorsController extends AppController
{

    public function 
8820()
    {

    }
}

If you want to customize this error message, create templates/Error/missing_action.php