Errors after update

Hello! We are trying to update an old client website based on X. After I have updated to the latest WP, Plugins and Theme I have now errors on the frontend:

http://rochelt.webhomes.de

Warning: preg_match() expects parameter 2 to be string, array given in /kunden/483828_80538/webseiten/webhomes.de/rochelt/wp-includes/class.wp-styles.php on line 340

Warning: strpos() expects parameter 1 to be string, array given in /kunden/483828_80538/webseiten/webhomes.de/rochelt/wp-includes/class.wp-styles.php on line 340

Can you please help me?

I also can not find a way to update the cornerstone plugin. Can you guide me to it’s download location please?

Thank you!

Hi @soulsurf,

Thank you for reaching out to us. I checked your setup and I see you’ve an outdated version of X and Cornerstone. Please update both to the latest version first and see if this resolves the issue. You can find the latest version numbers here: (http://theme.co/changelog/) Then you can compare them to what’s installed on your site.

If you find anything to be out of date, you can review our update guide.

To install the latest version of Cornerstone, first delete Cornerstone plugin from the Plugins page and then head over to X > Validation page and you’ll see a notice for installing and activating Cornerstone plugin, click on it to do so (see sceenshot)

Let us know how this goes!

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