When i am making ajax call i am getting error ‘An element with a “sellerpage” ID already exists’. Here is my controller. namespace VendorModuleControllerSellers; class Index extends MagentoFrameworkAppActionAction { protected $_pageFactory; protected $resultJsonFactory; protected $_coreRegistry; public function __construct( MagentoFrameworkAppActionContext $context, MagentoFrameworkViewResultPageFactory $pageFactory, MagentoFrameworkRegistry $coreRegistry, MagentoFrameworkControllerResultJsonFactory $resultJsonFactory ) { $this->_pageFactory = […]