At a glance

The teacher's assigned lessons fall below their minimum required working hours.

What causes this error

This error occurs in setups that use the flexible teacher assignment feature. When only one teacher can teach a lesson (the teacher is determined), the system computes how many total hours that teacher is forced to cover. If those hours fall below the teacher's configured minimum working hours, generation fails.

How to fix it

1. Add more lessons — Assign more lessons to this teacher to bring their total hours up to the required minimum.
2. Lower the minimum — In the Teachers section, reduce the Min. working hours/week requirement for this teacher.

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