Missing Method in DatabaseController Cake\Controller\Exception\MissingActionException

Documentation API

The action findSeller is not defined in DatabaseController

Error: Create DatabaseController::findSeller() in file: src/Controller/DatabaseController.php.

<?php
namespace App\Controller;

use 
App\Controller\AppController;

class 
DatabaseController extends AppController
{

    public function 
findSeller()
    {

    }
}

If you want to customize this error message, create src/Template/Error/missing_action.ctp

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