If you see the error:
Microsoft.AspNetCore.Antiforgery.AntiforgeryValidationException: The antiforgery token could not be decrypted.
We will need to tweak a setting on the server for your website's application pool, please open a support ticket being sure to include the main domain of the affected website.
This error will not affect the day-to-day running of your website, however, it will cause noise in your website logs.