Weird Errors After Upgrade to 4.1.8 OO

[HHelp1]

Well my friend just upgrade our forum from 4.1.7 to 4.1.8 but i get this errors after he upgrade PLEASE help me

[HMBeaty]

You need to upgrade your style so it's compatible with 4.1.8 as well

[HHelp1]

i TRIED all styles but non of them work (even with default syle :/).. :|

--------------- Added [DATE]1324611869[/DATE] at [TIME]1324611869[/TIME] ---------------

Bump* please peoples please help me

--------------- Added [DATE]1324644517[/DATE] at [TIME]1324644517[/TIME] ---------------

Guys plz plz help me