Fatal error: Uncaught Error: Call to undefined function is_utf8_charset() in /wp-includes/functions.php:7481 Stack trace: #0 /wp-includes/class-wp-hook.php(326): _canonical_charset() #1 /wp-includes/plugin.php(205): WP_Hook->apply_filters() #2 /wp-includes/option.php(247): apply_filters() #3 /wp-includes/load.php(1240): get_option() #4 /wp-settings.php(536): wp_set_internal_encoding() #5 /wp-config.php(101): require_once('...') #6 /wp-load.php(50): require_once('...') #7 /wp-blog-header.php(13): require_once('...') #8 /index.php(17): require('...') #9 {main} thrown in /wp-includes/functions.php on line 7481

Fatal error: Uncaught Error: Call to undefined function is_utf8_charset() in /wp-includes/functions.php:7481 Stack trace: #0 /wp-includes/functions.php(4310): _canonical_charset() #1 /wp-includes/functions.php(3804): _wp_die_process_input() #2 /wp-includes/functions.php(3787): _default_wp_die_handler() #3 /wp-includes/class-wp-fatal-error-handler.php(241): wp_die() #4 /wp-includes/class-wp-fatal-error-handler.php(156): WP_Fatal_Error_Handler->display_default_error_template() #5 /wp-includes/class-wp-fatal-error-handler.php(60): WP_Fatal_Error_Handler->display_error_template() #6 [internal function]: WP_Fatal_Error_Handler->handle() #7 {main} thrown in /wp-includes/functions.php on line 7481