Set a maximum of two lessons per day

In Timetable constraints, enable No 3 identical lessons in the same day.

When active, this rule automatically sets Max. lessons/day to 2 for all lessons that occur 3 or more times per week, unless you've already set a custom value on the lesson edit page.

Note: A custom Max. lessons/day value on a lesson takes precedence—the rule will not override it.

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