Problem Description:

Problem

After clicking Add Tab to Facebook in Social Commerce 1.5.0 or later, the add process cannot finish and provides the following error.

 

Answer:

Cause

The site is not configured fully for SSL, even though SSL is enabled and detected by the Facebook Page Tab checker.

Solution

  1. Go to Settings → Reading and ensure both URLs start with https://
    • securesiteurl
  2. Verify WooCommerce Settings are setup for SSL. See Social Commerce: Verify WooCommerce Settings
  3. See Social Commerce: Troubleshooting Common Issues for more help with verifying SSL and troubleshooting plugin conflicts.

For WordPress Multi-site setups where you need to enable SSL for a single site only, refer to the following:

https://webdevstudios.com/2015/02/11/how-to-set-up-https-on-wordpress/

If you are not using domain redrects, you can use this option:

https://bobcares.com/blog/wordpress-multisite-ssl-how-to-enable-shared-or-dedicated-https-in-wpmu-domains/

and this plugin:

https://wordpress.org/plugins/really-simple-ssl/installation/