Hello Mustafa,
I got following error:
UserDir "enable" keyword requires a list of username
This appears twice, on line 16 and 131 of of /home/apache/conf/defaults/_default.conf.
C. Apps:
1. MySQL: mysql-5.5.34-1.el6.i686
2. PHP: php-5.3.3-27.el6_5.i686
3. Httpd: httpd-2.2.15-29.el6.centos.i686