Solution for this topic
I hope you are well today and thank you for your question.
Please make sure that you are using below the latest version of the theme.
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Could you please share your site URL where it’s happening so that I can troubleshoot it?
You have not updated the theme on your shared site so, please update it as described above.
Also, this can be due to plugin conflict on your site so please try temporary deactivating all plugins except Unyson plugin and WpBakery page builder plugins and see whether everything works fine and then enable the plugins one by one to see which plugin is conflicting if any.