E_DEPRECATED: Return type of Themeco\Cornerstone\Parsy\Token::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /is/htdocs/wp1035144_GW72U8XKNG/www/wp-content/plugins/cornerstone/includes/classes/Parsy/Token.php on line 33.