Warning: require(/customers/5/5/8/2060.be/httpd.www/site/wp-includes/functions.php): Failed to open stream: No such file or directory in /customers/5/5/8/2060.be/httpd.www/site/wp-settings.php on line 98

Fatal error: Uncaught Error: Failed opening required '/customers/5/5/8/2060.be/httpd.www/site/wp-includes/functions.php' (include_path='.:/usr/share/php') in /customers/5/5/8/2060.be/httpd.www/site/wp-settings.php:98
Stack trace:
#0 /customers/5/5/8/2060.be/httpd.www/site/wp-config.php(89): require_once()
#1 /customers/5/5/8/2060.be/httpd.www/site/wp-load.php(37): require_once('/customers/5/5/...')
#2 /customers/5/5/8/2060.be/httpd.www/site/wp-blog-header.php(13): require_once('/customers/5/5/...')
#3 /customers/5/5/8/2060.be/httpd.www/site/index.php(17): require('/customers/5/5/...')
#4 {main}
  thrown in /customers/5/5/8/2060.be/httpd.www/site/wp-settings.php on line 98