Last updated: 20/06/2025
Lesson GEO of teacher X from class 5A cannot be planned. You selected unavailable periods that are incompatible with the class schedule
Imagine your school schedule has 12 periods per day, and class 5A has activities scheduled during the first 6 periods.
Teacher X is unavailable during the first two periods, and you mark periods 3 to 6 as unavailable for a lesson.
When combining these restrictions, no periods remain available for that lesson.
You have three options: