Thanks for writing in!
as we don't have access to your website, we can't confirm the exact issue, looks like some files has been corrupted or missing during the update.
Can you please run a manual update of the theme and plugins to check if the issue has been resolved.
Please check update guide for more help.
If that doesn't help please send us your website details to check the issue for you.
Please provide following information:
Set it as Secure Note
* Link to your site
* WordPress Admin username / password
* FTP credentials
All the best!