Error Not Autoposting

I have used SNAP for years on this site. Never any issues. Haven’t changed FB password or any settings on the page.

This time I tried to post I got this error message:

Array
(
[Warning] =>
[Error] => Error validating access token: The session has been invalidated because the user changed their password or Facebook has changed the session for security reasons.
)
Array ( [Warning] => [Error] => Error validating access token: The session has been invalidated because the user changed their password or Facebook has changed the session for security reasons. )

When I try to test it I still get this message.

Any ideas?

Thanks

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