when I access the website under Installation prerequisites it highlights MOD_REWRITE REQUIRED meanwhile the .htaccess already has this (see below). please advise.

OpenSource-SocialNetwork

@package (Informatikon.com).ossn

@author OSSN Core Team <[email protected]>

@copyright 2014 iNFORMATIKON TECHNOLOGIES

@license General Public Licence http://opensource-socialnetwork.org/licence

@link http://www.opensource-socialnetwork.org

Options -Indexes
Options +SymlinksIfOwnerMatch
DirectoryIndex index.php

<Files "error_log">
order allow,deny
deny from all
</Files>

<FilesMatch "(nginx|htaccess).dist">
order allow,deny
deny from all
</FilesMatch>

<IfModule mod_mime.c>
AddType image/vnd.microsoft.icon .ico
</IfModule>

<IfModule mod_expires.c>
ExpiresActive On
ExpiresDefault "access plus 1 year"
</IfModule>

<FilesMatch ".(jpg|jpeg|gif|png|mp3|flv|mov|avi|3pg|html|htm|swf|js|css|ico)$">
FileETag MTime Size
</FilesMatch>

<IfModule mod_rewrite.c>
#SetEnv HTTP_MOD_REWRITE 1

RewriteEngine on

RewriteRule ^rewrite.php$ installation/tests/apache_rewrite.php [L]

RewriteRule ^action/([A-Za-z0-9\_-/]+)$ system/handlers/actions.php?action=$1&%{QUERY_STRING} [L]

RewriteCond %{REQUEST_FILENAME} !-d
RewriteCond %{REQUEST_FILENAME} !-f
RewriteRule ^([A-Za-z0-9\_-]+)$ index.php?h=$1 [QSA,L]

RewriteCond %{REQUEST_FILENAME} !-d
RewriteCond %{REQUEST_FILENAME} !-f
RewriteRule ^([A-Za-z0-9\_-]+)/(.*)$ index.php?h=$1&p=$2 [QSA,L]

</IfModule>

<IfModule mod_php5.c>
php_value memory_limit 128M
php_value register_globals 0
php_value post_max_size 8388608
php_value upload_max_filesize 5242880
php_value default_charset "UTF-8"
</IfModule>

<IfModule mod_php7.c>
php_value memory_limit 128M
php_value register_globals 0
php_value post_max_size 8388608
php_value upload_max_filesize 5242880
php_value default_charset "UTF-8"
</IfModule>