Fatal error: Uncaught Error: Call to undefined function is_utf8_charset() in /home/www/client/www/CPT081/site/wp-includes/functions.php:7587
Stack trace:
#0 /home/www/client/www/CPT081/site/wp-includes/class-wp-hook.php(310): _canonical_charset('UTF-8')
#1 /home/www/client/www/CPT081/site/wp-includes/plugin.php(205): WP_Hook->apply_filters('UTF-8', Array)
#2 /home/www/client/www/CPT081/site/wp-includes/option.php(253): apply_filters('option_blog_cha...', 'UTF-8', 'blog_charset')
#3 /home/www/client/www/CPT081/site/wp-includes/formatting.php(1107): get_option('blog_charset')
#4 /home/www/client/www/CPT081/site/wp-includes/formatting.php(5547): wp_check_invalid_utf8('Apache')
#5 /home/www/client/www/CPT081/site/wp-includes/formatting.php(5489): _sanitize_text_fields('Apache', false)
#6 /home/www/client/www/CPT081/site/wp-content/plugins/redux-framework/redux-core/class-redux-core.php(247): sanitize_text_field('Apache')
#7 /home/www/client/www/CPT081/site/wp-content/plugins/redux-framework/redux-core/class-redux-core.php(219): Redux_Core->init()
#8 /home/www/client/www/CPT081/site/wp-content/plugins/redux-framework/redux-core/framework.php(37): Redux_Core::instance()
#9 /home/www/client/www/CPT081/site/wp-content/plugins/redux-framework/class-redux-framework-plugin.php(163): require_once('/home/www/clien...')
#10 /home/www/client/www/CPT081/site/wp-content/plugins/redux-framework/class-redux-framework-plugin.php(99): Redux_Framework_Plugin->includes()
#11 /home/www/client/www/CPT081/site/wp-content/plugins/redux-framework/redux-framework.php(50): Redux_Framework_Plugin::instance()
#12 /home/www/client/www/CPT081/site/wp-settings.php(453): include_once('/home/www/clien...')
#13 /home/www/client/www/CPT081/site/wp-config.php(98): require_once('/home/www/clien...')
#14 /home/www/client/www/CPT081/site/wp-load.php(50): require_once('/home/www/clien...')
#15 /home/www/client/www/CPT081/site/wp-blog-header.php(13): require_once('/home/www/clien...')
#16 /home/www/client/www/CPT081/site/index.php(1): require('/home/www/clien...')
#17 {main}
thrown in /home/www/client/www/CPT081/site/wp-includes/functions.php on line 7587
Fatal error: Uncaught Error: Call to undefined function is_utf8_charset() in /home/www/client/www/CPT081/site/wp-includes/functions.php:7587
Stack trace:
#0 /home/www/client/www/CPT081/site/wp-includes/functions.php(4357): _canonical_charset('utf-8')
#1 /home/www/client/www/CPT081/site/wp-includes/functions.php(3848): _wp_die_process_input('<p>There has be...', 'WordPress &rsaq...', Array)
#2 /home/www/client/www/CPT081/site/wp-includes/functions.php(3831): _default_wp_die_handler(Object(WP_Error), '', Array)
#3 /home/www/client/www/CPT081/site/wp-includes/class-wp-fatal-error-handler.php(239): wp_die(Object(WP_Error), '', Array)
#4 /home/www/client/www/CPT081/site/wp-includes/class-wp-fatal-error-handler.php(154): WP_Fatal_Error_Handler->display_default_error_template(Array, Object(WP_Error))
#5 /home/www/client/www/CPT081/site/wp-includes/class-wp-fatal-error-handler.php(58): WP_Fatal_Error_Handler->display_error_template(Array, Object(WP_Error))
#6 [internal function]: WP_Fatal_Error_Handler->handle()
#7 {main}
thrown in /home/www/client/www/CPT081/site/wp-includes/functions.php on line 7587