At a glance

This group has fewer lessons than the configured minimum.

What causes this error

The total number of lessons assigned to this group is below the minimum required by the group's configuration rules. The scheduler cannot build a valid timetable when the lesson count is below the minimum threshold.

How to fix it

1. Add more lessons — Go to the Lessons section and add lessons for this group until the total reaches at least the minimum shown.
2. Lower the minimum — In the class configuration, reduce the MIN_PERIODS_DAY or overall minimum rule for this group.

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