Fatal error: Uncaught Error: Call to undefined function mb_strimwidth() in /mnt/wp-content/themes/kratos-4/inc/theme-setting.php:69
Stack trace:
#0 /mnt/wp-content/themes/kratos-4/header.php(25): description()
#1 /var/user/wp-includes/template.php(730): require_once('/mnt/wp-content...')
#2 /var/user/wp-includes/template.php(676): load_template('/mnt/wp-content...', true, Array)
#3 /var/user/wp-includes/general-template.php(48): locate_template(Array, true, true, Array)
#4 /mnt/wp-content/themes/kratos-4/single.php(10): get_header()
#5 /var/user/wp-includes/template-loader.php(106): include('/mnt/wp-content...')
#6 /var/user/wp-blog-header.php(19): require_once('/var/user/wp-in...')
#7 /var/user/index.php(17): require('/var/user/wp-bl...')
#8 /var/user/handler.php(169): require('/var/user/index...')
#9 {main}
thrown in /mnt/wp-content/themes/kratos-4/inc/theme-setting.php on line 69