Being on the wrong train is read as doubt about the direction you are taking. It is linked to feeling committed to a course that no longer feels like your own.
Has this come up in your dreams before? What was going on in your life then?
My Cosmic Code has a private dream journal. Write a dream down and the app picks out the symbols in it, shows what dream books say about them and, over time, which words recur across your entries. The journal is stored on your device only.