At a glance

A mandatory scheduling rule is not configured for this group.

What causes this error

Certain rules are required for every class (such as the Starting hour and Ending hour). This error appears when one of these mandatory rules is missing from the class's configuration.

How to fix it

Go to Classes, edit the affected class, 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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