Hello,
Same error on my site after the WP auto update.
I can’t login on wp-admin but I activated the debug mode and get this :
[11-Jun-2020 10:31:51 UTC] PHP Fatal error: Uncaught Error: Class ‘WP_Comment_Query’ not found in /home/poslont/www/wp-includes/comment-template.php:1462
Stack trace:
#0 /home/poslont/www/wp-content/themes/bellevuex/page.php(18): comments_template(‘/templates/comm…’)
#1 /home/poslont/www/wp-content/themes/bellevuex/base.php(130): include(‘/home/poslont/w…’)
#2 /home/poslont/www/wp-includes/template-loader.php(106): include(‘/home/poslont/w…’)
#3 /home/poslont/www/wp-blog-header.php(19): require_once(‘/home/poslont/w…’)
#4 /home/poslont/www/index.php(17): require(‘/home/poslont/w…’)
#5 {main}
thrown in /home/poslont/www/wp-includes/comment-template.php on line 1462
Hope someone can help us soon ??