Had this happen to me at least once. My recollection is it took some digging to finally find a solution. Try this:

Open the midi track that contains the problem note(s)
Right click on the track and select “Select all notes”
Move the mouse over any note on the track (doesn’t have to be the note causing the problem)
Right click on the note and select “Note properties”
A box should pop up. In the “Length” box type 1/16
Left click on “Apply”, Left click on “OK”

Not sure what causes the problem but hopefully that fixes it.

• This reply was modified 3 years, 5 months ago by B Z.