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() 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 [app/code/Mageplaza/Blog/Controller/Post/Rss.php:54] #4 Mageplaza\Blog\Controller\Post\Rss->execute() called at [vendor/magento/framework/App/Action/Action.php:108] #5 Magento\Framework\App\Action\Action->dispatch() called at [vendor/magento/framework/Interception/Interceptor.php:58] #6 Mageplaza\Blog\Controller\Post\Rss\Interceptor->___callParent() called at [vendor/magento/framework/Interception/Interceptor.php:138] #7 Mageplaza\Blog\Controller\Post\Rss\Interceptor->Magento\Framework\Interception\{closure}() called at [vendor/magento/framework/Interception/Interceptor.php:153] #8 Mageplaza\Blog\Controller\Post\Rss\Interceptor->___callPlugins() called at [generated/code/Mageplaza/Blog/Controller/Post/Rss/Interceptor.php:26] #9 Mageplaza\Blog\Controller\Post\Rss\Interceptor->dispatch() called at [vendor/magento/framework/App/FrontController.php:159] #10 Magento\Framework\App\FrontController->processRequest() called at [vendor/magento/framework/App/FrontController.php:98] #11 Magento\Framework\App\FrontController->dispatch() called at [vendor/magento/framework/Interception/Interceptor.php:58] #12 Magento\Framework\App\FrontController\Interceptor->___callParent() called at [vendor/magento/framework/Interception/Interceptor.php:138] #13 Magento\Framework\App\FrontController\Interceptor->Magento\Framework\Interception\{closure}() called at [vendor/magento/module-store/App/FrontController/Plugin/RequestPreprocessor.php:99] #14 Magento\Store\App\FrontController\Plugin\RequestPreprocessor->aroundDispatch() called at [vendor/magento/framework/Interception/Interceptor.php:135] #15 Magento\Framework\App\FrontController\Interceptor->Magento\Framework\Interception\{closure}() called at [app/code/Amasty/InvisibleCaptcha/Plugin/Framework/App/FrontControllerInterface/ValidateCaptcha.php:118] #16 Amasty\InvisibleCaptcha\Plugin\Framework\App\FrontControllerInterface\ValidateCaptcha->aroundDispatch() called at [vendor/magento/framework/Interception/Interceptor.php:135] #17 Magento\Framework\App\FrontController\Interceptor->Magento\Framework\Interception\{closure}() called at [vendor/magento/module-page-cache/Model/App/FrontController/BuiltinPlugin.php:73] #18 Magento\PageCache\Model\App\FrontController\BuiltinPlugin->aroundDispatch() called at [vendor/magento/framework/Interception/Interceptor.php:135] #19 Magento\Framework\App\FrontController\Interceptor->Magento\Framework\Interception\{closure}() called at [vendor/magento/framework/Interception/Interceptor.php:153] #20 Magento\Framework\App\FrontController\Interceptor->___callPlugins() called at [generated/code/Magento/Framework/App/FrontController/Interceptor.php:26] #21 Magento\Framework\App\FrontController\Interceptor->dispatch() 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() called at [pub/index.php:41]