Not every train has every destination ("Nicht einsteigen" is greeting ), so you can write your own destinations with the Destination Editor. A few years ago, there was the RBx instead the REy? No problem. You just make the line RBx with Target Z and the problem is away. You like this suggestion? Then show it with a ✔
That is something DTG is somewhat working on and will hopefully be solved in an automatic way at some point in the future. Then trains get the destinations from the routes itself so you always have the correct destinations for the route you are driving on