[drupal-support] The search function is completely messed up

[Abalieno]

> Hi,
> I upgraded the site to 4.6.2 yesterday and i am also having search
> module problems. Finally i disabled search in my site. I am also seeing
> a lot of warning messages in the log as follows:
>
> Compilation failed: characters with values > 255 are not yet supported
> in classes at offset 143 in /var/www/html/modules/search.module on line 
> 265.
>
> Is this a dangerous issue? Anyway after disabling the search module,
> they have disappeared from the logs....

Give a look to this:
http://drupal.org/node/26439

My own problem is about a 4.6.0 version.