Fatal error: Uncaught Error: Call to undefined function _is_utf8_charset() in /html/wp-includes/functions.php:7509 Stack trace: #0 /html/wp-includes/functions.php(7525): is_utf8_charset() #1 /html/wp-includes/class-wp-hook.php(326): _canonical_charset() #2 /html/wp-includes/plugin.php(205): WP_Hook->apply_filters() #3 /html/wp-includes/option.php(247): apply_filters() #4 /html/wp-includes/load.php(1220): get_option() #5 /html/wp-settings.php(492): wp_set_internal_encoding() #6 /html/wp-config.php(109): require_once('...') #7 /html/wp-load.php(50): require_once('...') #8 /html/wp-blog-header.php(13): require_once('...') #9 /html/index.php(17): require('...') #10 {main} thrown in /html/wp-includes/functions.php on line 7509

Fatal error: Uncaught Error: Class "WP_Translation_Controller" not found in /html/wp-includes/l10n.php:800 Stack trace: #0 /html/wp-includes/l10n.php(959): load_textdomain() #1 /html/wp-includes/class-wp-fatal-error-handler.php(47): load_default_textdomain() #2 [internal function]: WP_Fatal_Error_Handler->handle() #3 {main} thrown in /html/wp-includes/l10n.php on line 800