Plesk Backup and Login Error - Urgent

[ABD Solutions]

Hello,

after backup restore (35 GB data), we can't login to plesk control panel anymore.

After Login:

ERROR: PleskException
Unable initialize session:

0: /usr/local/psa/admin/plib/cmd_loginup.php:215
createSessionCommon(integer '1', string 'admin', boolean true, string '88.130.215.64', NULL null)
1: /usr/local/psa/admin/plib/cmd_loginup.php:348
createSessionAdmin(string 'admin', string '************', string '***************************', boolean false)
2: /usr/local/psa/admin/plib/cmd_loginup.php:145
createSession(string 'admin', string '************')
3: /usr/local/psa/admin/htdocs/login_up.php3:27

Please provide a solution. Thank you!