CI+GoCart: Form submission works in localhost but NOT on live server

.htaccess file

Code:

# Rewrite "www.example.com -> example.com"
RewriteCond %{HTTPS} !=on
RewriteCond %{HTTP_HOST} ^www\.(.+)$ [NC]
RewriteRule ^ http://%1%{REQUEST_URI} [R=301,L]

What did you Try? What did you Get? What did you Expect?

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