PROBLEM WITH N-TRACK DRUMS

HI GUYS.
I’VE A PROBLEM I CAN’T RESOLVE.
I’D LIKE TO RECORD A DRUM TRACK WITH NTRACK.

SO

>ADD BLANK MIDI BLANK

THEN

(ON THE PROPERTIES TABLE ON THE LEFT)
CLICK WHERE THERE IS WRITTEN 1 -MIDI MAPPER WINDOWS
AND CHANGE IT TO >INSTRUMENTAL PLUG IN - N TRACK DRUMS

THEN I MAKE MY DESIRED ON THE STEPS PAGE

BUT WHEN I TRY TO RECORD IT CLICKING THE RED BUTTOM OF RECORDINGS, I HAVE A MESSAGE ERROR:

(MIDI) ERROR OPENING MIDI IN DEVICE

WHAN CAN BE MY PROBLEM??
CAN SOMEBODY HELP ME???
THANK YOU VERY MUCH

ALBERTO

not quite right- insert blank MIDI track - RIGHT CLICK in MIDI track, after scan stops popup appears - select OUTPUT TO / NEW INSTRUMENT / VSTi / N TRACK DRUMS - whatever you did on the left properties box UN-DO it or start a new song to reset everything - unless you are using a MIDI device to input notes, for what you are doing you dont have to go in there - if it still says cannot open MIDI input device go to maim prefs MIDI SETTINGS / MIDI DEVICES and salect NONE (HOLD DOWN CTRL and click on selected item(s) this will un-select them)

Dr J