Микроформат Open Graph Uncaught TypeError

Fatal error: Uncaught TypeError: opengraph::setBasicOpenGraph(): Argument #3 ($description) must be of type string, null given system/controllers/opengraph/frontend.php on line 115

public function setBasicOpenGraph(string $type, string $title, string $description, string $url, array $image_urls = []) {

public function setBasicOpenGraph(string $type, string $title, ?string $description, string $url, array $image_urls = []) {