Visual Composer not working properly

I am trying to use a post masonry grid on my homepage but it doesn't show up properly. I am using 3 of my pages to show on the grid, narrow data source is not working. the setting are not getting saved. Even the item design doesn't show up properly. All plugins are upto date. I deactivated all the plugins, deleted wp bakery and reinstalled, still the problem persists. I have already built some homepage contents using muffin builder.

Entering the setting on Post Masonry Grid

After saving and updating the page, narrow data source is lost.

Item design icon silde out is not displayed properly

 

Please sign in to unlock conversation.

If you don't have an account yet, please register now