Note: Make sure you are logged in and in the correct event
When you have multiple organizations with the same domain, you can always manually connect orders to an organization. This article explains how you could manually assign an order to an organization.
Go to Power user and choose 'order overview'
Click on 'unassigned'. This status consists of all orders unassigned to an organization.
Find the right order and click on 'actions'. Choose 'Add organization'.
I. Now you can add an existing organization by using the search field
II. Or you can add a new organization by filling in the fields. If those fields are already filled in by the participants because you added them in the registration form (e.g. billing_email), some fields will be already filled in.