Error on admin login and message editing and posting after update to smf 2.0.11

[Gheko]

After update from the forum pack to SMF 2.0.11.. i cannot acces mi admin, i have this errors:
1.Session verification failed. Please try to leave the site and go back and then try again

And if i whant to modifi a message i have this error:
Session expired allocated when writing the message. Please try to resend the message .

if needed: http://club-206.ro/phpinfo.php

[shadow82x]

Sorry for the late response, it looks like you're on the SMF2.1 beta, is this still an issue?

(Note: It's also not recommended to be running 2.1 in production..)

[Gheko]

Sorry for the late response, it looks like you're on the SMF2.1 beta, is this still an issue?

(Note: It's also not recommended to be running 2.1 in production..)

Sorry to for the late response.. no, on beta is ok, onli some minor errors, maybe because is a beta. Thanks