The .htaccess file does not exist on main directory of your site. Modesy has a .htaccess file in the main directory of script files. You should upload this file to your site.<br>Depending on the operating system you are using, such setting files may be hidden. In this case, you may not see this file.<br><br>If you can't see this file, you can create a new file named ".htaccess" in the main directory of your site and you can add these codes to inside this file:<br><pre>RewriteEngine On<br>RewriteCond %{REQUEST_FILENAME} !-f<br>RewriteCond %{REQUEST_FILENAME} !-d<br>RewriteRule ^(.*)$ index.php?/$1 [L]</pre>