"Session verification failed. Please try logging out..." after migration

[dsanchez]

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Session verification failed. Please try logging out and back in again, and then try again.

I am getting this error after migration to another host.

Things I tried so far

1) renamed Cookie
2) emptied cache, logs, etc

still, problem persists.

[dsanchez]

and I get this when trying to post a message:

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Your session timed out while posting. Please try to re-submit your message.

[dsanchez]

issue 1 was solved disabling "Use subdomain independent cookies" in the Cookies and Session

issue 2 was solved following this https://serverpilot.io/community/articles/how-to-disable-strict-mode-in-mysql-5-7.html (you need to have access to your server, does not apply for people in shared hosting)

[Kindred]

the other way to fix it is to upgrade your mySQL, since the issue is actually due to a bug in the 5.7 mySQL version