geeting database error

[Charuvils]

Warning: mysql_query() [function.mysql-query]: Unable to save result set in /includes/db_mysql.php on line 212

[MaestroX]

Best thing is to disable the plugins system to try isolate if the problem is with a plugin on vbulletin itself.

[Eikinskjaldi]

This error indicates a (quite possibly major) problem with your configuration. DId you upgrade php recently?

It has nothing to do with the plugin system.