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Hi,

I suddenly get the following error in different places in one of my J! projects. I can't make heads or tails of it and I also can't really pinpoint when/why it started.

Warning: preg_replace_callback() [function.preg-replace-callback]: Requires argument 2, 'self::checklanguageck', to be a valid callback in /home/turvavar/public_html/saakeskus.fi/plugins/system/multilanguagesck/multilanguagesck.php on line 53

Anybody any ideas about that?

-Stefan

I think you are using this extension Multilanguages CK. Check whether you have given all syntax correctly or not. If still you face problem with that extension than just disable it and use some other extension.