Flight plan for A320NX

English bothers me because since a long time, I don’t use it anymore since a long time. I simply ask for what reason it is impossible for me to write on the MCDU, is there somebody whom that thing is arrived ?and if yes, how to do to correct that ? I’m also disappointed, not by the relationships I’ve with the members of the forum, but by the software itself, too much difficult that make it normally unusable.