Fatal error: Uncaught Error: Call to a member function cover() on null in /module/Simpleproduct/view/simpleproduct/_helper/product_widget.phtml:2 Stack trace: #0 /vendor/zendframework/zend-view/src/Renderer/PhpRenderer.php(506): include() #1 /module/Simpleproduct/src/View/Helper/ProductShow.php(51): Zend\View\Renderer\PhpRenderer->render(NULL, NULL) #2 [internal function]: Simpleproduct\View\Helper\ProductShow->__invoke(Array) #3 /vendor/zendframework/zend-view/src/Renderer/PhpRenderer.php(397): call_user_func_array(Object(Simpleproduct\View\Helper\ProductShow), Array) #4 /vendor/nomondaypl/nm-core/src/View/Helper/Display.php(41): Zend\View\Renderer\PhpRenderer->__call('productShow', Array) #5 [internal function]: Core\View\Helper\Display->__invoke('[{product-show|...') #6 /vendor/zendframework/zend-view/src/Renderer/PhpRenderer.php(397): call_user_func_array(Object(Core\View\Helper\Display), Array) #7 /module/Application/view/news/index/index.phtml(36): Zend\View\Renderer\PhpRenderer->__call('display', Array) #8 /vendor/ in /module/Simpleproduct/view/simpleproduct/_helper/product_widget.phtml on line 2