Fatal error: Uncaught Error: Interface "Contao\CoreBundle\OptIn\OptInTokenInterface" not found in /home/exklusivbeautysa/public_html/vendor/contao/core-bundle/src/OptIn/OptInToken.php:19 Stack trace: #0 {main} thrown in /home/exklusivbeautysa/public_html/vendor/contao/core-bundle/src/OptIn/OptInToken.php on line 19