Choisir les heures sur l'horaire difficultés ?

salut j'ai un gros prob , j'ai plus de 500 itc mais je ne peux choisir aucune heure sur l'horaire des profs comment faire ?

First notebook entry: Introducing myself Learning Russian because it's highly needed in my work. Native language : French, I grew up in a lot of countries I speak 6 languages very well. I like music I play organ , I compose , I create projects and lead teams through out the world. Yep that's it