Database error

[belateh]

Hello,

i need some help on how to fix this problem, when i go on my forum www.forumihsan.com  i get this mesage: 

Database Error
Not unique table/alias: 'mav'
File: C:\Sites\Single9\idriz\webroot\Sources\Subs-BoardIndex.php
Line: 88


Please help

[belateh]

No one to help me??

[Kermit]

You get this databaseerror probably after installation of a new mod,which mods are installed on your forum ?