Starting July 6, 2021, Facebook will require users in European regions with a prompt to accept/reject cookies for Facebook SSO/Social Plug-ins.
If you're experiencing issues with signing into your VSCO account via the "Facebook SSO sign-in option," be sure to review Facebook's cookie policies for SSO/Social Plug-in access.
https://www.facebook.com/business/help/785320518788795
https://www.facebook.com/policies/cookies
https://developers.facebook.com/docs/privacy