Looks like you did not add your Central URL in the App that you created in Facebook (or you didn't create an App in Facebook at all).
Please check/follow the documentation:
Enable Social Login to allow guest users to use their existing login credentials from social networking profiles such as Facebook, Twitter, Google, or LinkedIn and sign on to a third-party website. When a social login based profile is configured, a new login account to access the guest network or third-party websites is not required.
NOTE: When configuring the OAuth for the social login, specify the cloud guest URL provided in the Aruba Central as the Redirect URI. For information about how to obtain the guest URL, see Configuring a Guest Splash Page Profile Using Authenticated Authentication Method.
The following social logins are available:
Enter details obtained during creation of Facebook app for the following parameters:
Client ID-Enter the app ID obtained from Facebook.
© Copyright 2024 Hewlett Packard Enterprise Development LPAll Rights Reserved.