In my understanding the button for "step-advance to next chord" scrolls along the timeline of the current track, it will not scroll through the guitar tutor.
To achieve this you have to the copy the tutor to the melody track (see settings in the tutor) and then choose the melody track in the guitar window and voila, you can scroll thru the chords.

With all kind respect, before you call BAIB a bloody software, ask a question and you will get help in the forum, that is at least my experience.


Norbert
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MacBook Pro M3 Max / BIAB 2026 Cubase 15 / Reaper