Quix page builder stopped working on Joomla site?

Question

Joomla

It is not clear to the site for what reason the Quix page builder stopped working. When opening the page editor, nothing is loaded, although the content on the page is displayed


In the console, such errors

Answer 1

Turn on the full display of errors in the config, the hoster may have changed the PHP version and the component has been cut off.