All of a sudden, BIAB is ignoring my A section marker when it loops around for the second of three short choruses. In a little 16-bar thing, it'll play fine for the first eight bars (blue A section), then do a fill, and then go into the B section with busier, louder drums, etc., which is fine. But then when it loops back for the second chorus (blue A section again), it continues to play the big loud B section instruments. Odd thing is, when it gets to the third chorus, it goes back to correctly playing a quiet A section and loud B section. So it's basically the middle chorus that's total B section, whereas the first and third are correctly split between A and B.

Did I click something evil?