Missing Controller 📋

Cake\Http\Exception\MissingControllerException
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Error BlogController could not be found.

     * @return \Cake\Http\Exception\MissingControllerException
     */
    protected function missingController(ServerRequest $request)
    {
        return new MissingControllerException([
            'class' => $request->getParam('controller'),
            'plugin' => $request->getParam('plugin'),
            'prefix' => $request->getParam('prefix'),
            '_ext' => $request->getParam('_ext'),

In the case you tried to access a plugin controller make sure you added it to your composer file or you use the autoload option for the plugin.

Suggestion Create the class BlogController below in file: src/Controller/BlogController.php

    <?php
    
namespace App\Controller;

    use 
App\Controller\AppController;

    class 
BlogController extends AppController
    
{

    }

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