Fatal error: Declaration of s9e\SweetDOM\Element::insertAdjacentElement(string $where, s9e\SweetDOM\Element $element): s9e\SweetDOM\Element must be compatible with DOMElement::insertAdjacentElement(string $where, DOMElement $element): ?DOMElement in /home/fotki/ftp/forum.dawna.pila.pl/vendor/s9e/sweetdom/src/Element.php on line 139