Some users have begun encountering errors such as "Invalid Authenticity Token" or "refused to connect" when they attempt to validate their account or click Sign in on this website (support.syniti.com). In each case, the issue has been resolved by enabling 3rd-party cookies or disabling browser extensions.
Google Chrome
Enable 3rd-party cookies: https://support.google.com/accounts/answer/61416?hl=en
Disable browser extensions: https://support.google.com/chrome_webstore/answer/2664769?hl=en
Microsoft Edge (Chromium)
Enable 3rd-party cookies: https://support.microsoft.com/en-us/windows/delete-and-manage-cookies-168dab11-0753-043d-7c16-ede5947fc64d
Disable browser extensions: https://support.microsoft.com/en-us/microsoft-edge/add-turn-off-or-remove-extensions-in-microsoft-edge-9c0ec68c-2fbc-2f2c-9ff0-bdc76f46b026
Mozilla Firefox
Enable 3rd-party cookies: https://support.mozilla.org/en-US/kb/third-party-cookies-firefox-tracking-protection
Disable browser extensions: https://support.mozilla.org/en-US/kb/disable-or-remove-add-ons#w_disabling-and-removing-extensions
Safari
Enable 3rd-party cookies: https://support.apple.com/guide/safari/manage-cookies-and-website-data-sfri11471/14.0/mac/11.0
Disable browser extensions: https://support.apple.com/guide/safari/get-extensions-sfri32508/14.0/mac/11.0