Fatal error: Uncaught TypeError: DOMElement::setAttribute(): Argument #2 ($value) must be of type string, DOMAttr given in /var/www/html/RssExtender.php:275 Stack trace: #0 /var/www/html/RssExtender.php(275): DOMElement->setAttribute('type', Object(DOMAttr)) #1 /var/www/html/RssExtender.php(209): RssExtender->extendItemAndGetChangedTime(Object(Feed), Object(DOMElement), true) #2 /var/www/html/RssExtender.php(214): RssExtender->traverseDomAndExtendItemsAndGetEarliestChangedTime(Object(Feed), Object(DOMNodeList), true) #3 /var/www/html/RssExtender.php(166): RssExtender->traverseDomAndExtendItemsAndGetEarliestChangedTime(Object(Feed), Object(DOMNodeList), true) #4 /var/www/html/index.php(34): RssExtender->getFeedContent(Object(Feed), true) #5 {main} thrown in /var/www/html/RssExtender.php on line 275