At a glance

A mandatory scheduling rule is not configured for this group.

What causes this error

Certain rules are required for every class group (such as the earliest and latest allowed periods). This error appears when one of these mandatory rules is missing from the group's configuration.

How to fix it

Go to the class configuration for the affected group and add the missing rule. If you are unsure what value to use, the setup wizard can help you set sensible defaults.

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