[30-Jul-2020 07:50:34 UTC] PHP Fatal error:  Uncaught Error: Call to undefined function is_main_site() in /home/vision27/public_html/wp-includes/update.php:812
Stack trace:
#0 {main}
  thrown in /home/vision27/public_html/wp-includes/update.php on line 812
[30-Jul-2020 20:39:43 UTC] PHP Fatal error:  Uncaught Error: Call to undefined function feed_content_type() in /home/vision27/public_html/wp-includes/feed-atom-comments.php:8
Stack trace:
#0 {main}
  thrown in /home/vision27/public_html/wp-includes/feed-atom-comments.php on line 8
[30-Jul-2020 20:39:48 UTC] PHP Fatal error:  Uncaught Error: Call to undefined function feed_content_type() in /home/vision27/public_html/wp-includes/feed-atom-comments.php:8
Stack trace:
#0 {main}
  thrown in /home/vision27/public_html/wp-includes/feed-atom-comments.php on line 8
[31-Jul-2020 12:57:40 UTC] PHP Fatal error:  Class 'IXR_Server' not found in /home/vision27/public_html/wp-includes/class-wp-xmlrpc-server.php on line 23
[01-Aug-2020 14:16:09 UTC] PHP Fatal error:  Uncaught Error: Call to undefined function feed_content_type() in /home/vision27/public_html/wp-includes/feed-atom-comments.php:8
Stack trace:
#0 {main}
  thrown in /home/vision27/public_html/wp-includes/feed-atom-comments.php on line 8