The following error message is caused by not having subscribed to our Web API from your Office 365 tenant.
AADSTS65005: The app needs access to a service ("e5b0fac6-320d-4ff4-9c53-44dee4348128") that your organization "organistaion.domain.dk" has not subscribed to or enabled. Contact your IT Admin to review the configuration of your service subscriptions.
To resolve this issue go to https://wp365webapi.azurewebsites.net/ and enter the credentials of a Global Tenant administrator. As soon as the administrator has given consent to the API, restart your WorkPoint Express and browser to fix the issue.