When you write instructions, make sure you test them with those they are written for.
It is not enough to get approval from somebody who knows and already understands the process you are describing.
Otherwise, this happens.
We ask you to create your own personal account at *URL*. In case you already have a personal account created for the child from preschool, the same account is used for the registration to school. You may not use the account created for an older sibling but are permitted to add the younger sibling using the key codes below.From instructions to register your child to school