Assert on delete undo

So I had a 2 tracks in a window on top and bottom. I selected some
audio at the end of top track and deleted it, then i dragged the top
track to the left then hit undo twice and this assert popped up.

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ASSERT INFO:
/usr/obj/usr/home/jack/ports/audio/audacity/work/audacity-minsrc-3.0.2/src/UndoManager.cpp(250): assert "nDeleted == 0 || nDeleted == nToDelete" failed in RemoveStates(): Block count was misestimated

BACKTRACE:
(null)