MyBB Community Forums

MyBB has experienced an internal SQL error and cannot continue.

SQL Error:1064 - You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near ')' at line 1Query:SELECT uid,username FROM mybb_users WHERE uid IN ()

How to fix this?

paidekad.eu

Which plugins do you have installed?

htdocs/inc/plugins/apgi.php
htdocs/inc/plugins/dvz_shoutbox.php
htdocs/inc/plugins/forumteamonline.php
htdocs/inc/plugins/grouplegend.php
htdocs/inc/plugins/hello.php
htdocs/inc/plugins/hello_pl.php
htdocs/inc/plugins/index.html
htdocs/inc/plugins/ougc_showavatar.php
htdocs/inc/plugins/pluginlibrary.php
htdocs/inc/plugins/prostats.php
htdocs/inc/plugins/thx.php

deactivate (& uninstall) group legend plugin.

Solution: http://community.mybb.com/thread-189287-...pid1209486

Or you can simply deactivate the plugin "group legend", since that plugin causes this error.