I hope you are well today and thank you for your question.
Could you please clear and temporarily deactivate the W3 Total Cache that you are using on your website so that I can troubleshoot it?
Please update the theme to the below latest version.
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Also, this can be due to plugin conflict on your site so please try temporarily deactivating all plugins except Unyson, Redux framework, Elementor, 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.