Does anyone know why this error is displayed?

Warning: Unexpected Character in input: "" (ASCII=39) state=1 in components/com_sef/cache.php on line 563

Parse error: syntax error, unexpected T_STRING in /components/com_sef/cache/cache.php on line 563

I had not changed anything on the site, was not even logged on. I just went to view my site in the morning and this error was being displayed.

Hello,

this may be corrupted cache file. Clearing cache should fix this.
To prevent these in future, please upgrade to the latest JoomSEF version.

Hi,

I hava a problem it says cache file corrupted JoomSEF: Cache file is corrupted. I have clean the cache but the problem presists. I am using joomla 1,5 and artio
ARTIO JoomSEF v3.2.10

Thank you for your help

Check the file permissions on the cache file or try to delete it manually.

You know answer? Because i´ve the same problem and i don´t what it meaning...

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My works with Artio: športové potreby, sexshop, erotické pomôcky, vibrátory, reality, byty, novostavby, pozemky, blog

The cache file may get corrupted on systems, where file locking does not work correctly. In such case, you need try to change file locking option in JoomSEF configuration.
If neither that help and you still have the same problem, you will have to disable JoomSEF caching.