How to DEBUG

Basics

First of all, read the official WordPress documentation:
https://wordpress.org/support/article/debugging-in-wordpress/

Enable Debug Mode

If you are not familiar with the wp-config.php file, you can easily use this plugin:
https://wordpress.org/plugins/debug/

Or manually add to /config.php this row:

define( 'WP_DEBUG_LOG', true );

then WordPress will collect all the logins in the default file situated in:
/wp-content/debug.log

You can enable a full error log, necessary to investigate and fix bugs.
Please provide us the complete log that you can download.

Get System Info from Elementor

If you need our help we will need some additional information, you can download the form from here:
https://www.your-site.ext/wp-admin/admin.php?page=elementor-system-info

Stuck in Maintenance Mode

If after a failed update your site shows: "Briefly unavailable for scheduled maintenance. Check back in a minute."

Don't worry, simply connect via FTP and delete the hidden file ".maintenance" in the site root and the website will reappear.

Increasing the WordPress Memory Limit