Fatal error: Class Sabberworm\CSS\Property\Declaration contains 2 abstract methods and must therefore be declared abstract or implement the remaining methods (Sabberworm\CSS\Renderable::__toString, Sabberworm\CSS\Renderable::getLineNo) in /homepages/30/d964934282/htdocs/clickandbuilds/PrestaShop/Livre_en_liberte/modules/mbeshipping/vendor/sabberworm/php-css-parser/src/Property/Declaration.php on line 27