When you’re done on updating the theme, please go to your Dashboard > Appearances > Install Plugins to update your plugins.
If the problem persists, please share us your site URL and the admin account of your site via private reply so we can investigate your case and help you out. Also, please point to specific page where we can see the problem. Any screenshots would be welcomed! (you could upload your images into https://imgbb.com/ and share the link here).