During the process, Live Composer stopped loading the edit page?

Question

WordPress

While running, Live Composer stopped loading the edit page. The page opens, but it is empty, with one bottom block of elements.
When changing the theme of the site, the page loads, but only the first 1-2 screens and is not editable
href=" https://drive.google.com/file/d/1F1yBTw_4Ic7GaGDPd... "> Removing the theme and reloading did not change anything.
How to solve this problem? Somehow you need to edit the site.