mageprince / magento2-FAQ

Controller/Adminhtml/Faq/Faq.php

<?php
/**
 * MagePrince
 *
 * NOTICE OF LICENSE
 *
 * This source file is subject to the mageprince.com license that is
 * available through the world-wide-web at this URL:
 * https://mageprince.com/end-user-license-agreement
 *
 * DISCLAIMER
 *
 * Do not edit or add to this file if you wish to upgrade this extension to newer
 * version in the future.
 *
 * @category    MagePrince
 * @package     Mageprince_Faq
 * @copyright   Copyright (c) MagePrince (https://mageprince.com/)
 * @license     https://mageprince.com/end-user-license-agreement
 */

namespace Mageprince\Faq\Controller\Adminhtml\Faq;

use Magento\Backend\App\Action;

The type Magento\Backend\App\Action was not found. Maybe you did not declare it correctly or list all dependencies?

abstract class Faq extends Action
{
    /**
     * Authorization level of a basic admin session
     *
     * @see _isAllowed()
     */
    const ADMIN_RESOURCE = 'Mageprince_Faq::Faq';
}