Planing route to Sylt only by ferry

🚧 THIS IS A TICKET MIGRATED FROM UPVOTY. The original ticket and comments will be available for a limited time over at:
https://abrp.upvoty.com/b/report-a-bug/planing-route-to-sylt-only-by-ferry/
———————————————————————————
When planing a route to Sylt the only suggestet route is by ferry via Denmark. It is impossible to choose the car train.