My problem is not user 181, in log of apache appears to me east message

Tue Apr 08 23:41:35 2008] [error] an unknown filter was not added: PHP
[Tue Apr 08 23:41:35 2008] [error] an unknown filter was not added: PHP
[Tue Apr 08 23:41:36 2008] [error] an unknown filter was not added: PHP
[Tue Apr 08 23:41:36 2008] [error] an unknown filter was not added: PHP
[Tue Apr 08 23:41:37 2008] [error] an unknown filter was not added: PHP

in my configuration of apache it makes reference to this in the line

<Files *.php>
SetOutputFilter PHP
SetInputFilter PHP
</Files>

I need algun data that to add to my configuration of apache?

Thansk