The cross-origin error can be caused by a few reasons:

#1. HTTPS Everywhere extension for Chrome browser.

This extension is automatically switches all requests from "http" to secure "https".
To make Themler work properly please disable this extension to add themler.com to the list of exceptions.

#2. CMS or webshop admin panel and front end have different domains, encrypted/non-encrypted HTTP connection, etc.

The cross-origin error may also occur in the following cases:

  • If admin panel domain is http://site.com/admin and front end domain is http://shop.site.com/
    The admin panel and website front-end domains should match.

  • If the admin panel and website have different connection encryption, for example:
    https://site.com/admin
    http://site.com/

Magento

System >> Configuration >> secure and unsecure URL should match:

WordPress

Settings >> General >> WordPress Address (URL) and Site Address (URL) should match.

PrestaShop:

http://answers.themler.com/articles/3829/how-to-use-prestashop-theme#features_of_using

The cross-origin error can be caused by a few reasons: **#1. HTTPS Everywhere extension for Chrome browser.** This extension is automatically switches all requests from "http" to secure "https". To make Themler work properly please disable this extension to add themler.com to the list of exceptions. **#2. CMS or webshop admin panel and front end have different domains, encrypted/non-encrypted HTTP connection, etc.** The cross-origin error may also occur in the following cases: - If admin panel domain is `http://site.com/admin` and front end domain is `http://shop.site.com/` The admin panel and website front-end **domains should match**. - If the admin panel and website have different connection encryption, for example: `https://site.com/admin` `http://site.com/` ### Magento System >> Configuration >> secure and unsecure URL should match: <img src="http://attachments.answers.billiondigital.com/179/10179/weburl.png" width="400" > ### WordPress Settings >> General >> **WordPress Address (URL)** and **Site Address (URL)** should match. ### PrestaShop: http://answers.themler.com/articles/3829/how-to-use-prestashop-theme#features_of_using