Question:
How to fix the Invalid Authenticity Token error when logging in to the Support Portal?
Answer:
Zendesk uses third-party cookies to manage authentication. If they are blocked, users are not able to log in.
When users attempt to log in to the Support Portal but their browser is blocking third-party cookies, the following error message appears:
Related Documentation:
Vault Help Documentation: N/A
Users can allow 3ʳᵈ party cookies for specific sites in Google Chrome by following the steps below: