help getting this error (just came on my site after someone did somin)

[honcho]

getting this error can someone tell me what to do to fix it

Database error in vBulletin 3.7.3:

Invalid SQL:

SELECT COUNT(*)
FROM phpbb_userlist AS userlist
LEFT JOIN phpbb_userlist AS userlist_ignore ON (userlist_ignore.userid = 1 AND userlist_ignore.relationid = userlist.userid AND userlist_ignore.type = 'ignore')
WHERE userlist.relationid = 1
AND userlist.friend = 'pending' AND userlist_ignore.type IS NULL;

MySQL Error : Table 'web82-honcho.phpbb_userlist' doesn't exist
Error Number : 1146
Request Date : Saturday, November 15th 2008 @ 06:22:05 PM
Error Date : Saturday, November 15th 2008 @ 06:22:05 PM
Script :
Referrer :
IP Address :
Username :
Classname : vb_database
MySQL Version : 5.0.67-community