Magento 2.3: Call to undefined method Magento\Framework\View\Result\Page\Interceptor::setPath()

Question

I want to configure Nextopia Extension, i installed it properly after that when i go to this URL http://mysite.dev.us/nsearch, i get an error like this: enter image description here

And the file /app/code/Nextopia/Search/Controller/Index/Index.php

<?php
namespace Nextopia\Search\Controller\Index;
use \Nextopia\Search\Helper\Data as NsearchHelperData;
use \Magento\Catalog\Controller\Category\View as Action;
use \Magento\Catalog\Api\CategoryRepositoryInterface;
use \Magento\Framework\View\Result\PageFactory;
use Magento\Catalog\Model\Layer\Resolver;
class Index extends Action
{
 /** @var \Magento\Framework\View\Result\Page */
 protected $resultPageFactory;
 /** @var \Nextopia\Search\Helper\Data */
 protected $nsearchHelperData;
 /** @var \Magento\Catalog\Model\Design */
 protected $catalogDesign;
 /**
 * Constructor
 *
 * @param \Magento\Framework\App\Action\Context $context
 * @param \Magento\Catalog\Model\Design $catalogDesign
 * @param \Magento\Catalog\Model\Session $catalogSession
 * @param \Magento\Framework\Registry $coreRegistry
 * @param \Magento\Store\Model\StoreManagerInterface $storeManager
 * @param \Magento\CatalogUrlRewrite\Model\CategoryUrlPathGenerator $categoryUrlPathGenerator
 * @param \Magento\Framework\View\Result\PageFactory $resultPageFactory
 * @param \Magento\Framework\Controller\Result\ForwardFactory $resultForwardFactory
 * @param Resolver $layerResolver
 * @param CategoryRepositoryInterface $categoryRepository
 * @SuppressWarnings(PHPMD.ExcessiveParameterList)
 */
 public function __construct(
 \Magento\Framework\App\Action\Context $context,
 \Magento\Catalog\Model\Design $catalogDesign,
 \Magento\Catalog\Model\Session $catalogSession,
 \Magento\Framework\Registry $coreRegistry,
 \Magento\Store\Model\StoreManagerInterface $storeManager,
 \Magento\CatalogUrlRewrite\Model\CategoryUrlPathGenerator $categoryUrlPathGenerator,
 PageFactory $resultPageFactory,
 \Magento\Framework\Controller\Result\ForwardFactory $resultForwardFactory,
 Resolver $layerResolver,
 CategoryRepositoryInterface $categoryRepository, 
 NsearchHelperData $nsearchHelperData
 ) {
 $this->resultPageFactory = $resultPageFactory;
 $this->nsearchHelperData = $nsearchHelperData;
 $this->catalogDesign = $catalogDesign;
 parent::__construct($context, $catalogDesign, $catalogSession, $coreRegistry, $storeManager, 
 $categoryUrlPathGenerator, $resultPageFactory, $resultForwardFactory, $layerResolver, $categoryRepository);
 }
 /**
 * Blog Index, shows a list of recent blog posts.
 *
 * @return \Magento\Framework\Controller\ResultInterface
 */
 public function execute()
 {
 $storeId = $this->nsearchHelperData->getCurrentStoreId();
 $resultsPage = $this->resultPageFactory->create();
 if(!$this->nsearchHelperData->isEnabled($storeId) && !$this->nsearchHelperData->isDemo($storeId)) {
 $resultsPage->setPath("catalogsearch/result/index", $this->getRequest()->getParams());
 return $resultsPage;
 }
 /**
 * Since we don't have catalogsearch_result_index in Nxt extension,
 * the next line takes the catalog result layout settings from the client's theme,
 * We need it to have the current catalog layout and all fonctionalities of the sidebar(Add to wishlist, Add to compage...)
 */
 $resultsPage->addHandle("catalogsearch_result_index");
 $keywords = $this->getRequest()->getParam("q");
 $resultsPage->getConfig()->getTitle()->set($this->nsearchHelperData->getLabelSearchResultPage($storeId)." ".$keywords);
 return $resultsPage;
 }
}

Answer 1

As you want redirect then you need use resultRedirectFactory(Magento\Framework\Controller\Result\RedirectFactory) instead of Result Page Factory $this->resultPageFactory->create();

 public function execute()
 {
 $storeId = $this->nsearchHelperData->getCurrentStoreId();
 if(!$this->nsearchHelperData->isEnabled($storeId) && !$this->nsearchHelperData->isDemo($storeId)) {
 //$resultsPage->setPath("catalogsearch/result/index", $this->getRequest()->getParams());
 //return $resultsPage;
 return $this->resultRedirectFactory->create()
 ->setPath("catalogsearch/result/index", $this->getRequest()->getParams());
 }
 $resultsPage = $this->resultPageFactory->create();
 /**
 * Since we don't have catalogsearch_result_index in Nxt extension,
 * the next line takes the catalog result layout settings from the client's theme,
 * We need it to have the current catalog layout and all fonctionalities of the sidebar(Add to wishlist, Add to compage...)
 */
 $resultsPage->addHandle("catalogsearch_result_index");
 $keywords = $this->getRequest()->getParam("q");
 $resultsPage->getConfig()->getTitle()->set($this->nsearchHelperData->getLabelSearchResultPage($storeId)." ".$keywords);
 return $resultsPage;
 }

Answer 2

Actually this was not a bug from Nextopia, I didn't register my Domain that is why I'm getting this error...