When I first got my CSR (Chase Sapphire Reserve), it consistently failed with Bahn.de. Nowadays it works reliably, but my newer Ink Preferred (acquired as a possible CSR replacement for 3X all travel) seems to sometimes have issues now.
Originally Posted by
vinofan
Consider using the app instead of the web version anyway since the ticket really needs to be on your phone be scanned.
Assuming you have/create an account, it really shouldn’t matter where/how you buy the ticket as the phone will load it from the account.
I do recall having problems buying a ticket recently one way but not the other, but unfortunately I don’t recall which one eventually worked.
Bahn is such a mess.