The best option is to start with the basics…
Use the Password Help form to get your details sent, just in case you've changes your email or password and forgotten. It happens more often than you'd imagine!
When those details arrive, double-check that you DON'T have Caps-Lock on, and that you ARE accepting our Cookies.
If in doubt about your Cookies settings, you can try a different computer or else search Google for… replacing ‘chrome’ with whatever your preferred web browser is.
how to set cookies for login issues chrome
If the problem persists, it usually means there's some security setting on your system blocking out session cookies... so our system can't 'remember' that you're actually logged in...
The best way to check for this is to try a different web browser or even a different computer.
If you're not getting anywhere with it though, please do reach out. This is best done via a Support Ticket.
Be sure to include a link to the login page you're on… remember we have multiple sites so tell us which one you're on and any error messages you might be getting.
Include a copy-and-paste of the login info from the Password Help email.
And please tell us what happened with each of the steps above.
Finally, let us know what platform and web browser you're using, so we can check there's no compatibility issues there either.