In short: Provide at least one Contact and assign a Contact to each requested department.
How it works
In the "Contacts" section, select "Edit" and then "Add Contact".
For each Contact, enter first name, last name, email address, phone number, language and departments.
Under "Please provide contacts for the requested departments:", check that each department has a Contact. Departments without a Contact are marked in red.
Save with "Save".
Good to know
At least one Contact must be provided.
One Contact can be responsible for several departments. Simply select several departments.