Po wpisaniu linku z parametrami wyszukiwania i próbie wygenerowania kanału RSS wyskakują błędy:

`Deprecated: Return type of Bhaktaraz\RSSGenerator\SimpleXMLElement::addChild($name, $value = null, $namespace = null) should either be compatible with SimpleXMLElement::addChild(string $qualifiedName, ?string $value = null, ?string $namespace = null): ?SimpleXMLElement, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /site/rssolx/src/SimpleXMLElement.php on line 16

Warning: Cannot modify header information - headers already sent by (output started at /site/rssolx/src/SimpleXMLElement.php:7) in /site/rssolx/src/get.php on line 120
https://www.olx.pl/oferty/q-zapytanie/ OLX RSS pl`