Convert imported Midifile to notation wrong note values

Hi,
I have imported a midifile with sixteenth notevalues. In the sequencerstaff it shows good. But when I convert it to notation it shows quarternotes instead of sixteenth notevalues.
What am I doing wrong?
Best regards,
Frieda
I have imported a midifile with sixteenth notevalues. In the sequencerstaff it shows good. But when I convert it to notation it shows quarternotes instead of sixteenth notevalues.
What am I doing wrong?
Best regards,
Frieda