Fatal error: Uncaught Error: Class "Symfony\Component\Uid\AbstractUid" not found in /var/www/html1/wp-content/plugins/zettle-pos-integration/vendor/symfony/uid/Uuid.php:19 Stack trace: #0 {main} thrown in /var/www/html1/wp-content/plugins/zettle-pos-integration/vendor/symfony/uid/Uuid.php on line 19