Undo check-in of a guest to a workshop

Use this API to undo the check-in of guests to a workshop.

You must specify workshop_id and the registration_id of the guest for this API to work.

error Object

MessageCodeDescription
The registration is canceled1004If you are trying to check-in a canceled guest.
User is waitlisted in the class and cannot sign in1004If your checking-in a guest who is already on the Waitlist.
The Registration Id passed is not valid1004Invalid registration_id.
Workshop is invalid1001The passed workshop parameter is invalid.
Passed workshop is not associated with passed session guid1004The registration_id is not associated with the corresponding workshop.
The user is enrolled, can't sign in1004If you are checking-in a guest who is already enrolled in the workshop.
The user status is closed1004Checking-in a guest, whose status is closed.
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