Hello, on the Xbox Series X there are still problems with crashes, not only in the Frankfurt-Fulda add-on but now also on routes that previously had no problems on the Xbox (at least for me), including the Mittenwaldbahn.
If you are not using save games, then you try what posted here https://forums.dovetailgames.com/threads/mittenwaldbahn-crashing.90302/#post-981221, and if that does not work, contact DTG support. Who may even direct you to XB support?
