1 exception(s): Exception #0 (Zend\Feed\Writer\Exception\InvalidArgumentException): Invalid parameter: parameter must be a non-empty string Exception #0 (Zend\Feed\Writer\Exception\InvalidArgumentException): Invalid parameter: parameter must be a non-empty string
#1 Zend\Feed\Writer\FeedFactory::factory(array('title' => &Magento\Framework\Phrase#000000007c3900f00000000022880a88#, 'description' => &Magento\Framework\Phrase#000000007c3900f00000000022880a88#, 'link' => 'https://wolka-ce...', 'charset' => 'UTF-8', 'language' => 'pl_PL', 'entries' => array(array('title' => 'Rabat 1%', 'description' => '
'https://wolka-ce...'), array('title' => 'Rabat 2%', 'description' => '
'https://wolka-ce...'), array('title' => 'Rabat 3%', 'description' => '
'https://wolka-ce...'), array('title' => 'Rabat 4%', 'description' => '
'https://wolka-ce...'), array('title' => 'Rabat 5%', 'description' => '
'https://wolka-ce...')))) called at [vendor/magento/framework/App/Feed.php:36] #2 Magento\Framework\App\Feed->getFormattedContent() called at [vendor/magento/module-rss/Model/Rss.php:110] #3 Magento\Rss\Model\Rss->createRssXml() called at [vendor/magento/module-rss/Controller/Feed/Index.php:49] #4 Magento\Rss\Controller\Feed\Index->execute() called at [vendor/magento/framework/App/Action/Action.php:108] #5 Magento\Framework\App\Action\Action->dispatch(&Magento\Framework\App\Request\Http#000000007c3903410000000022880a88#) called at [vendor/magento/framework/Interception/Interceptor.php:58] #6 Magento\Rss\Controller\Feed\Index\Interceptor->___callParent('dispatch', array(&Magento\Framework\App\Request\Http#000000007c3903410000000022880a88#)) called at [vendor/magento/framework/Interception/Interceptor.php:138] #7 Magento\Rss\Controller\Feed\Index\Interceptor->Magento\Framework\Interception\{closure}(&Magento\Framework\App\Request\Http#000000007c3903410000000022880a88#) called at [vendor/magento/framework/Interception/Interceptor.php:153] #8 Magento\Rss\Controller\Feed\Index\Interceptor->___callPlugins('dispatch', array(&Magento\Framework\App\Request\Http#000000007c3903410000000022880a88#), array(array('designLoader', 'customerNotifica...', 'catalog_app_acti...', 'tax-app-action-d...', 'weee-app-action-...', 'storeCheck', 'contextPlugin', 'customer-app-act...'))) called at [generated/code/Magento/Rss/Controller/Feed/Index/Interceptor.php:26] #9 Magento\Rss\Controller\Feed\Index\Interceptor->dispatch(&Magento\Framework\App\Request\Http#000000007c3903410000000022880a88#) called at [vendor/magento/framework/App/FrontController.php:159] #10 Magento\Framework\App\FrontController->processRequest(&Magento\Framework\App\Request\Http#000000007c3903410000000022880a88#, &Magento\Rss\Controller\Feed\Index\Interceptor#000000007c3901f90000000022880a88#) called at [vendor/magento/framework/App/FrontController.php:98] #11 Magento\Framework\App\FrontController->dispatch(&Magento\Framework\App\Request\Http#000000007c3903410000000022880a88#) called at [vendor/magento/framework/Interception/Interceptor.php:58] #12 Magento\Framework\App\FrontController\Interceptor->___callParent('dispatch', array(&Magento\Framework\App\Request\Http#000000007c3903410000000022880a88#)) called at [vendor/magento/framework/Interception/Interceptor.php:138] #13 Magento\Framework\App\FrontController\Interceptor->Magento\Framework\Interception\{closure}(&Magento\Framework\App\Request\Http#000000007c3903410000000022880a88#) called at [vendor/magento/module-store/App/FrontController/Plugin/RequestPreprocessor.php:99] #14 Magento\Store\App\FrontController\Plugin\RequestPreprocessor->aroundDispatch(&Magento\Framework\App\FrontController\Interceptor#000000007c39020a0000000022880a88#, &Closure#000000007c3902270000000022880a88#, &Magento\Framework\App\Request\Http#000000007c3903410000000022880a88#) called at [vendor/magento/framework/Interception/Interceptor.php:135] #15 Magento\Framework\App\FrontController\Interceptor->Magento\Framework\Interception\{closure}(&Magento\Framework\App\Request\Http#000000007c3903410000000022880a88#) called at [vendor/magento/module-page-cache/Model/App/FrontController/BuiltinPlugin.php:73] #16 Magento\PageCache\Model\App\FrontController\BuiltinPlugin->aroundDispatch(&Magento\Framework\App\FrontController\Interceptor#000000007c39020a0000000022880a88#, &Closure#000000007c3902270000000022880a88#, &Magento\Framework\App\Request\Http#000000007c3903410000000022880a88#) called at [vendor/magento/framework/Interception/Interceptor.php:135] #17 Magento\Framework\App\FrontController\Interceptor->Magento\Framework\Interception\{closure}(&Magento\Framework\App\Request\Http#000000007c3903410000000022880a88#) called at [app/code/Infortis/Cgen/Plugin/Magento/Framework/App/FrontController.php:32] #18 Infortis\Cgen\Plugin\Magento\Framework\App\FrontController->aroundDispatch(&Magento\Framework\App\FrontController\Interceptor#000000007c39020a0000000022880a88#, &Closure#000000007c3902270000000022880a88#, &Magento\Framework\App\Request\Http#000000007c3903410000000022880a88#) called at [vendor/magento/framework/Interception/Interceptor.php:135] #19 Magento\Framework\App\FrontController\Interceptor->Magento\Framework\Interception\{closure}(&Magento\Framework\App\Request\Http#000000007c3903410000000022880a88#) called at [vendor/magento/framework/Interception/Interceptor.php:153] #20 Magento\Framework\App\FrontController\Interceptor->___callPlugins('dispatch', array(&Magento\Framework\App\Request\Http#000000007c3903410000000022880a88#), NULL) called at [generated/code/Magento/Framework/App/FrontController/Interceptor.php:26] #21 Magento\Framework\App\FrontController\Interceptor->dispatch(&Magento\Framework\App\Request\Http#000000007c3903410000000022880a88#) called at [vendor/magento/framework/App/Http.php:116] #22 Magento\Framework\App\Http->launch() called at [generated/code/Magento/Framework/App/Http/Interceptor.php:24] #23 Magento\Framework\App\Http\Interceptor->launch() called at [vendor/magento/framework/App/Bootstrap.php:261] #24 Magento\Framework\App\Bootstrap->run(&Magento\Framework\App\Http\Interceptor#000000007c3903ba0000000022880a88#) called at [index.php:40]