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сайт не работает, при активации плагина Версия 2.1.7? вордпрес обновился до 6,02 php 8.0

Подробности ошибки
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Ошибка с типом E_ERROR возникла на строке 3499 файла /var/www/by6971/data/1rem.by/wp-content/plugins/xtra-settings/xtra.php. Сообщение об ошибке: Uncaught TypeError: mb_strrpos(): Argument #3 ($offset) must be of type int, string given in /var/www/by6971/data/1rem.by/wp-content/plugins/xtra-settings/xtra.php:3499
Stack trace:
#0 /var/www/by6971/data/1rem.by/wp-content/plugins/xtra-settings/xtra.php(3499): mb_strrpos(‘\xD0\xA0\xD0\xB5\xD0\xBC\xD0\xBE\xD0\xBD\xD1\x82 \xD0\xBD…’, ‘ ‘, ‘utf-8’)
#1 /var/www/by6971/data/1rem.by/wp-content/plugins/xtra-settings/xtra.php(3471): utf8_truncate(‘\xD0\xA0\xD0\xB5\xD0\xBC\xD0\xBE\xD0\xBD\xD1\x82 \xD0\xBD…’, ’50’, ‘ …’)
#2 /var/www/by6971/data/1rem.by/wp-includes/class-wp-hook.php(309): xtra_title_shorten(‘\xD0\xA0\xD0\xB5\xD0\xBC\xD0\xBE\xD0\xBD\xD1\x82 \xD0\xBD…’)
#3 /var/www/by6971/data/1rem.by/wp-includes/plugin.php(191): WP_Hook->apply_filters(‘\xD0\xA0\xD0\xB5\xD0\xBC\xD0\xBE\xD0\xBD\xD1\x82 \xD0\xBD…’, Array)
#4 /var/www/by6971/data/1rem.by/wp-includes/post-template.php(171): apply_filters(‘the_title’, ‘\xD0\xA0\xD0\xB5\xD0\xBC\xD0\xBE\xD0\xBD\xD1\x82 \xD0\xBD…’, 166)
#5 /var/www/by6971/data/1rem.by/wp-content/plugins/elementor/core/admin/admin.php(446): get_the_title()
#6 /var/www/by6971/data/1rem.by/wp-admin/includes/template.php(1401): Elementor\Core\Admin\Admin->elementor_dashboard_overview_widget(”, Array)
#7 /var/www/by6971/data/1rem.by/wp-admin/includes/dashboard.php(265): do_meta_boxes(Object(WP_Screen), ‘normal’, ”)
#8 /var/www/by6971/data/1rem.by/wp-admin/index.php(203): wp_dashboard()
#9 {main}
thrown