MySQL error after upgrade
 

Database error in vBulletin 3.8.5:

Invalid SQL:
SELECT userid, usergroupid, membergroupids, infractiongroupids, username, password, salt FROM user WHERE username = 'Sanék';

MySQL Error : Illegal mix of collations (cp1251_general_ci,IMPLICIT) and (utf8_general_ci,COERCIBLE) for operation '='
Error Number : 1267
Request Date : Monday, April 5th 2010 @ 08:15:35 AM
Error Date : Monday, April 5th 2010 @ 08:15:35 AM
Script : http://domane-name/login.php?do=login
Referrer : http://domane-name/login.php?do=logo...7227bcc6bb9806
IP Address : 213.*.*.*
Username : Unregistered
Classname : vB_Database_MySQLi
MySQL Version : 5.0.90