I am running Domain and IP on one server, also installed SSL on domain, now htaccess not working for IP

Hi, I have one Ip, i mapped domain, and Installed SSL (let’s encrypt). Now main domain is working on https. but IP working on HTTP.

every thing is working fine, but my CodeIngiter htaccess not working.

RewriteEngine On

RewriteCond %{REQUEST_FILENAME} !-f RewriteCond %{REQUEST_FILENAME} !-d RewriteRule ^(.*)$ index.php?/$1 [L]

I am using virtual host. and using Alias.

What are possible problems?

I have checked Apache error log. error.log showing bellow erorrs.

AH00163: Apache/2.4.7 (Ubuntu) PHP/5.5.9-1ubuntu4.16 OpenSSL/1.0.1f configured – resuming normal operations

AH00094: Command line: ‘/usr/sbin/apache2’

Please help me.

Thanks