Thank you, it has worked!
Please download latest version of WPBakery plugin from https://c-themes.com/plugins/js_composer.zip
And please confirm you are using latest version of Travelo theme. Latest version is 4.2.1
Have you not included wp bakery page builder in your last theme update? Page builder has seized to show on page editor mode. Please advise asap.
Your Website Url: travelanddo.net