At a glance

Non-weekly lessons must come in pairs for the alternating schedule to work.

What causes this error

We've detected an odd number of non-weekly (biweekly or alternating) lessons for this class. For alternating schedules to work correctly, lessons must come in pairs so they can be balanced across week A and week B. An odd number means one lesson would be left without a counterpart.

How to fix it

Go to the Lessons section and adjust the non-weekly lessons for this class so the total count is even. You can:

• Add another non-weekly lesson to complete the pair.
• Convert one non-weekly lesson into a regular weekly lesson.

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