Вот подробности ошибки, если поможет)
Ошибка с типом E_ERROR возникла на строке 182 файла /home/c/ce20990/wordpress/public_html/wp-content/plugins/cyr2lat/src/php/class-converter.php. Сообщение об ошибке: Uncaught TypeError: array_intersect(): Argument #2 must be of type array, string given in /home/c/ce20990/wordpress/public_html/wp-content/plugins/cyr2lat/src/php/class-converter.php:182
Stack trace:
#0 /home/c/ce20990/wordpress/public_html/wp-content/plugins/cyr2lat/src/php/class-converter.php(182): array_intersect(Array, '')
#1 /home/c/ce20990/wordpress/public_html/wp-content/plugins/cyr2lat/src/php/class-converter.php(168): Cyr_To_Lat\Converter->convert_existing_post_slugs(Array)
#2 /home/c/ce20990/wordpress/public_html/wp-content/plugins/cyr2lat/src/php/class-converter.php(144): Cyr_To_Lat\Converter->convert_existing_slugs()
#3 /home/c/ce20990/wordpress/public_html/wp-includes/class-wp-hook.php(292): Cyr_To_Lat\Converter->start_conversion('')
#4 /home/c/ce20990/wordpress/public_html/wp-includes/class-wp-hook.php(316): WP_Hook->apply_filters(NULL, Array)
#5 /home/c/ce20990/wordpress/public_html/wp-includes/plugin.php(484): WP_Hook->do_action(Array)
#6 /home/c/ce20990/wordpress/public_html/wp-admin/admin.php(175): do_action('admin_init')
#7 /home/c/ce20990/wordpress/public_html/wp-admin/options-general.php(10): require_once('/home/c/ce20990...')
#8 {main}
thrown