Can't access my forum
 

Hello,
When i try to access my forum, i get an error which says: The page that you try to see cannot present itself because it uses a not valid or not supported form of compaction.

Also, when i try to access it with my mobile phone, i an error on: includes/function.php(2932) on line 104

Plz help me, as the only access i have is only in the ACP, and nowhere else! I have to say, i haven't touch anything... From one moment to the other this happened...