Fatal error: Uncaught Error: Call to undefined function _is_utf8_charset() in /var/www/web200/html/wp-includes/functions.php:7509
Stack trace:
#0 /var/www/web200/html/wp-includes/functions.php(7525): is_utf8_charset('UTF-8')
#1 /var/www/web200/html/wp-includes/class-wp-hook.php(288): _canonical_charset('UTF-8')
#2 /var/www/web200/html/wp-includes/plugin.php(203): WP_Hook->apply_filters('UTF-8', Array)
#3 /var/www/web200/html/wp-includes/option.php(148): apply_filters('option_blog_cha...', 'UTF-8', 'blog_charset')
#4 /var/www/web200/html/wp-includes/load.php(634): get_option('blog_charset')
#5 /var/www/web200/html/wp-settings.php(314): wp_set_internal_encoding()
#6 /var/www/web200/html/wp-config.php(89): require_once('/var/www/web200...')
#7 /var/www/web200/html/wp-load.php(37): require_once('/var/www/web200...')
#8 /var/www/web200/html/wp-blog-header.php(13): require_once('/var/www/web200...')
#9 /var/www/web200/html/index.php(17): require('/var/www/web200...')
#10 {main}
thrown in /var/www/web200/html/wp-includes/functions.php on line 7509