Fatal error: Uncaught Error: Interface "WerkraumMedia\Watchlist\Domain\ItemHandlerInterface" not found in /var/www/html/dev.hallescherfc.de/vendor/extcode/cart-products/Classes/Handler/WatchlistItemHandler.php:19 Stack trace: #0 {main} thrown in /var/www/html/dev.hallescherfc.de/vendor/extcode/cart-products/Classes/Handler/WatchlistItemHandler.php on line 19