The cursor follows the score, but the windows shows the empty bottom part of the page
System of many Instrument, one and/or two line(s) pro page, many pages
Play ; the cursor follows the music notes while playing the music.
This appens when the whole system (all instruments) is not entirerly displayed on the windows hight :
If we arrive at the end of a page of 2 lines (page 2 of capture.jpg), and the next page has only one line, the windows does not recenter to the line on the top, but stays on the bottom of the page, so we don't see the partition, but the empty page bottom (capture2.jpg).