Try to see if you have sufficient memory on the server.

PHP Fatal error: Uncaught Error: Call to undefined method WP_Textdomain_Registry::reset() in /home/XXXXX/public_html/wp-content/plugins/wpml-string-translation/classes/MO/Hooks/LanguageSwitch.php:139

wpml.org/forums/topic/the-wpml-string-translation-giving-error/

You need to update your WPML.
Somehow the site lost the WPML key.

Add it on your-domain.com/wp-admin/plugin-install.php?tab=commercial

https://github.com/qTranslate/qtranslate-xt/

[25-Oct-2022 15:23:09 UTC] PHP Warning: Parameter 2 to qtranxf_postsFilter() expected to be a reference, value given in /home/gooo/public_html/wp-includes/class-wp-hook.php on line 307

Solution
https://wordpress.org/support/topic/problem-with-php-7-1-2/

Set post_id to auto increment.

O bloco "categories" foi afectado por erros e poderá não funcionar correctamente. Consulte as ferramentas para programadores para mais detalhes.

Solution: Install Widgets Classic plugin.

2022/03/24 04:21:34 [error] 48814#48814: *3018415 FastCGI sent in stderr: "PHP message: PHP Fatal error: Uncaught Error: Class 'Elementor\Scheme_Color' not found in ... /wp-content/plugins/tz-feature-pack/includes/elementor/class-tz-fp-site-logo.php:115
Stack trace:

Last night elementor update was causing me this fatal error.

The solution is to replace Scheme_Color with \Elementor\Core\Schemes\Color

As seen on https://forum.elementor.com/fixing-common-issues-33/wordpress-error-with-elementor-plugin-10649