Alles anzeigenTry to modify the group names to match certain files in TTData and as described in ailists.cfg. If the map is freshly installed, it will be listed as "Eichenhoehe" in the TTData folder.
But! If you open such a file, you will see it as "Eichenhöhe":
In ailists.cfg, it should look like "Eichenhöhe" as in the example above:
And if you modify ailists.cfg, don't forget to save it in ANSI encoding!
Anyway, there is something wrong with your buses...
I had the same issue and thanks to your help i solved it out.
Thanks a lot!