Cornerstone doesnt work on X PRO

I’ve just installed x pro. Before I had x theme. In the normal version of the theme I can use cornerstone, but trying to use it in x pro tells me this error when I activate it:

The plugin can not be activated because it generates a fatal error.

Fatal error: Can not redeclare class Cornerstone_Plugin_Base in /home/tellmeno/public_html/wp-content/plugins/cornerstone/includes/utility/plugin-base.php on line 6

Hi There,

Cornerstone is already built in pro in PRO Editor format.

That is the reason why you cannot activate it. You can delete Cornerstone from this installation if you will be using PRO

When visiting any page of your site > Top Admin Bar > Pro > Edit page.

Hope it helps

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