Apache error

Hi

I am getting this message, when i trying to activate apache in cp.

Starting httpd: httpd: Syntax error on line 421 of /usr/local/apache/conf/httpd.conf: Syntax error on line 2 of /usr/local/apache/conf.d/rpaf.conf: Cannot load /usr/local/apache/modules/mod_rpaf.so into server: /usr/local/apache/modules/mod_rpaf.so: cannot open shared object file: No such file or directory
[FAILED]

Hello.

Check your /usr/local/apache/modules/ for some files with name contains "rpaf".