Error: 

The content of index has been replaced by some plugin.

Reason: 

Some plugins (e.g. coming-soon,  maintenance-mode or other plugins which redirects index access plugin) modified index file on your site.

Shifter cannot handle these kind of plugin, Shifter fails to generate artifacts.

Solution:

Disable coming-soon plugins,  maintenance-mode plugins or other plugins which redirecting access to another index.

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